20164297720

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{86453}}^1$

素因数の和:86502

約数の個数: 128

約数和(自身を含む): 56022192000

約数和(自身を除く): 35857894280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 343, 392, 476, 490, 595, 680, 686, 833, 952, 980, 1190, 1372, 1666, 1715, 1960, 2380, 2744, 3332, 3430, 4165, 4760, 5831, 6664, 6860, 8330, 11662, 13720, 16660, 23324, 29155, 33320, 46648, 58310, 86453, 116620, 172906, 233240, 345812, 432265, 605171, 691624, 864530, 1210342, 1469701, 1729060, 2420684, 2939402, 3025855, 3458120, 4236197, 4841368, 5878804, 6051710, 7348505, 8472394, 10287907, 11757608, 12103420, 14697010, 16944788, 20575814, 21180985, 24206840, 29394020, 29653379, 33889576, 41151628, 42361970, 51439535, 58788040, 59306758, 72015349, 82303256, 84723940, 102879070, 118613516, 144030698, 148266895, 169447880, 205758140, 237227032, 288061396, 296533790, 360076745, 411516280, 504107443, 576122792, 593067580, 720153490, 1008214886, 1186135160, 1440306980, 2016429772, 2520537215, 2880613960, 4032859544, 5041074430, 10082148860, 20164297720]

約数ペア:

[(1, 20164297720), (2, 10082148860), (4, 5041074430), (5, 4032859544), (7, 2880613960), (8, 2520537215), (10, 2016429772), (14, 1440306980), (17, 1186135160), (20, 1008214886), (28, 720153490), (34, 593067580), (35, 576122792), (40, 504107443), (49, 411516280), (56, 360076745), (68, 296533790), (70, 288061396), (85, 237227032), (98, 205758140), (119, 169447880), (136, 148266895), (140, 144030698), (170, 118613516), (196, 102879070), (238, 84723940), (245, 82303256), (280, 72015349), (340, 59306758), (343, 58788040), (392, 51439535), (476, 42361970), (490, 41151628), (595, 33889576), (680, 29653379), (686, 29394020), (833, 24206840), (952, 21180985), (980, 20575814), (1190, 16944788), (1372, 14697010), (1666, 12103420), (1715, 11757608), (1960, 10287907), (2380, 8472394), (2744, 7348505), (3332, 6051710), (3430, 5878804), (4165, 4841368), (4760, 4236197), (5831, 3458120), (6664, 3025855), (6860, 2939402), (8330, 2420684), (11662, 1729060), (13720, 1469701), (16660, 1210342), (23324, 864530), (29155, 691624), (33320, 605171), (46648, 432265), (58310, 345812), (86453, 233240), (116620, 172906)]