20053557720

素因数分解:

$2^3\times 3^3\times 5^1\times 7^2\times {\mathrm{378941}}^1$

素因数の和:378975

約数の個数: 192

約数和(自身を含む): 77758898400

約数和(自身を除く): 57705340680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 8820, 10584, 13230, 17640, 26460, 52920, 378941, 757882, 1136823, 1515764, 1894705, 2273646, 2652587, 3031528, 3410469, 3789410, 4547292, 5305174, 5684115, 6820938, 7578820, 7957761, 9094584, 10231407, 10610348, 11368230, 13262935, 13641876, 15157640, 15915522, 17052345, 18568109, 20462814, 21220696, 22736460, 23873283, 26525870, 27283752, 31831044, 34104690, 37136218, 39788805, 40925628, 45472920, 47746566, 51157035, 53051740, 55704327, 63662088, 68209380, 71619849, 74272436, 79577610, 81851256, 92840545, 95493132, 102314070, 106103480, 111408654, 119366415, 136418760, 143239698, 148544872, 159155220, 167112981, 185681090, 190986264, 204628140, 222817308, 238732830, 278521635, 286479396, 318310440, 334225962, 358099245, 371362180, 409256280, 445634616, 477465660, 501338943, 557043270, 572958792, 668451924, 716198490, 742724360, 835564905, 954931320, 1002677886, 1114086540, 1336903848, 1432396980, 1671129810, 2005355772, 2228173080, 2506694715, 2864793960, 3342259620, 4010711544, 5013389430, 6684519240, 10026778860, 20053557720]

約数ペア:

[(1, 20053557720), (2, 10026778860), (3, 6684519240), (4, 5013389430), (5, 4010711544), (6, 3342259620), (7, 2864793960), (8, 2506694715), (9, 2228173080), (10, 2005355772), (12, 1671129810), (14, 1432396980), (15, 1336903848), (18, 1114086540), (20, 1002677886), (21, 954931320), (24, 835564905), (27, 742724360), (28, 716198490), (30, 668451924), (35, 572958792), (36, 557043270), (40, 501338943), (42, 477465660), (45, 445634616), (49, 409256280), (54, 371362180), (56, 358099245), (60, 334225962), (63, 318310440), (70, 286479396), (72, 278521635), (84, 238732830), (90, 222817308), (98, 204628140), (105, 190986264), (108, 185681090), (120, 167112981), (126, 159155220), (135, 148544872), (140, 143239698), (147, 136418760), (168, 119366415), (180, 111408654), (189, 106103480), (196, 102314070), (210, 95493132), (216, 92840545), (245, 81851256), (252, 79577610), (270, 74272436), (280, 71619849), (294, 68209380), (315, 63662088), (360, 55704327), (378, 53051740), (392, 51157035), (420, 47746566), (441, 45472920), (490, 40925628), (504, 39788805), (540, 37136218), (588, 34104690), (630, 31831044), (735, 27283752), (756, 26525870), (840, 23873283), (882, 22736460), (945, 21220696), (980, 20462814), (1080, 18568109), (1176, 17052345), (1260, 15915522), (1323, 15157640), (1470, 13641876), (1512, 13262935), (1764, 11368230), (1890, 10610348), (1960, 10231407), (2205, 9094584), (2520, 7957761), (2646, 7578820), (2940, 6820938), (3528, 5684115), (3780, 5305174), (4410, 4547292), (5292, 3789410), (5880, 3410469), (6615, 3031528), (7560, 2652587), (8820, 2273646), (10584, 1894705), (13230, 1515764), (17640, 1136823), (26460, 757882), (52920, 378941)]