20145694790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{887}}^1$

素因数の和:1206

約数の個数: 128

約数和(自身を含む): 42535342080

約数和(自身を除く): 22389647290

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 43, 65, 85, 86, 130, 170, 215, 221, 239, 430, 442, 478, 559, 731, 887, 1105, 1118, 1195, 1462, 1774, 2210, 2390, 2795, 3107, 3655, 4063, 4435, 5590, 6214, 7310, 8126, 8870, 9503, 10277, 11531, 15079, 15535, 19006, 20315, 20554, 23062, 30158, 31070, 38141, 40630, 47515, 51385, 52819, 57655, 75395, 76282, 95030, 102770, 105638, 115310, 133601, 150790, 174709, 190705, 196027, 211993, 264095, 267202, 349418, 381410, 392054, 423986, 495833, 528190, 648397, 668005, 873545, 980135, 991666, 1059965, 1296794, 1336010, 1747090, 1960270, 2119930, 2271217, 2479165, 2755909, 3241985, 3603881, 4542434, 4958330, 5511818, 6483970, 7207762, 8429161, 9115699, 11356085, 13779545, 16858322, 18019405, 18231398, 22712170, 27559090, 36038810, 42145805, 45578495, 46850453, 84291610, 91156990, 93700906, 118504087, 154966883, 234252265, 237008174, 309933766, 468504530, 592520435, 774834415, 1185040870, 1549668830, 2014569479, 4029138958, 10072847395, 20145694790]

約数ペア:

[(1, 20145694790), (2, 10072847395), (5, 4029138958), (10, 2014569479), (13, 1549668830), (17, 1185040870), (26, 774834415), (34, 592520435), (43, 468504530), (65, 309933766), (85, 237008174), (86, 234252265), (130, 154966883), (170, 118504087), (215, 93700906), (221, 91156990), (239, 84291610), (430, 46850453), (442, 45578495), (478, 42145805), (559, 36038810), (731, 27559090), (887, 22712170), (1105, 18231398), (1118, 18019405), (1195, 16858322), (1462, 13779545), (1774, 11356085), (2210, 9115699), (2390, 8429161), (2795, 7207762), (3107, 6483970), (3655, 5511818), (4063, 4958330), (4435, 4542434), (5590, 3603881), (6214, 3241985), (7310, 2755909), (8126, 2479165), (8870, 2271217), (9503, 2119930), (10277, 1960270), (11531, 1747090), (15079, 1336010), (15535, 1296794), (19006, 1059965), (20315, 991666), (20554, 980135), (23062, 873545), (30158, 668005), (31070, 648397), (38141, 528190), (40630, 495833), (47515, 423986), (51385, 392054), (52819, 381410), (57655, 349418), (75395, 267202), (76282, 264095), (95030, 211993), (102770, 196027), (105638, 190705), (115310, 174709), (133601, 150790)]