20148605620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227257}}^1$

素因数の和:227321

約数の個数: 96

約数和(自身を含む): 51313038336

約数和(自身を除く): 31164432716

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 220, 260, 286, 310, 341, 403, 572, 620, 682, 715, 806, 1364, 1430, 1612, 1705, 2015, 2860, 3410, 4030, 4433, 6820, 8060, 8866, 17732, 22165, 44330, 88660, 227257, 454514, 909028, 1136285, 2272570, 2499827, 2954341, 4545140, 4999654, 5908682, 7044967, 9999308, 11817364, 12499135, 14089934, 14771705, 24998270, 28179868, 29543410, 32497751, 35224835, 49996540, 59086820, 64995502, 70449670, 77494637, 91584571, 129991004, 140899340, 154989274, 162488755, 183169142, 309978548, 324977510, 366338284, 387473185, 457922855, 649955020, 774946370, 915845710, 1007430281, 1549892740, 1831691420, 2014860562, 4029721124, 5037151405, 10074302810, 20148605620]

約数ペア:

[(1, 20148605620), (2, 10074302810), (4, 5037151405), (5, 4029721124), (10, 2014860562), (11, 1831691420), (13, 1549892740), (20, 1007430281), (22, 915845710), (26, 774946370), (31, 649955020), (44, 457922855), (52, 387473185), (55, 366338284), (62, 324977510), (65, 309978548), (110, 183169142), (124, 162488755), (130, 154989274), (143, 140899340), (155, 129991004), (220, 91584571), (260, 77494637), (286, 70449670), (310, 64995502), (341, 59086820), (403, 49996540), (572, 35224835), (620, 32497751), (682, 29543410), (715, 28179868), (806, 24998270), (1364, 14771705), (1430, 14089934), (1612, 12499135), (1705, 11817364), (2015, 9999308), (2860, 7044967), (3410, 5908682), (4030, 4999654), (4433, 4545140), (6820, 2954341), (8060, 2499827), (8866, 2272570), (17732, 1136285), (22165, 909028), (44330, 454514), (88660, 227257)]