20675970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{887}}^1$

素因数の和:944

約数の個数: 96

約数和(自身を含む): 63168768

約数和(自身を除く): 42492798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 37, 42, 45, 63, 70, 74, 90, 105, 111, 126, 185, 210, 222, 259, 315, 333, 370, 518, 555, 630, 666, 777, 887, 1110, 1295, 1554, 1665, 1774, 2331, 2590, 2661, 3330, 3885, 4435, 4662, 5322, 6209, 7770, 7983, 8870, 11655, 12418, 13305, 15966, 18627, 23310, 26610, 31045, 32819, 37254, 39915, 55881, 62090, 65638, 79830, 93135, 98457, 111762, 164095, 186270, 196914, 229733, 279405, 295371, 328190, 459466, 492285, 558810, 590742, 689199, 984570, 1148665, 1378398, 1476855, 2067597, 2297330, 2953710, 3445995, 4135194, 6891990, 10337985, 20675970]

約数ペア:

[(1, 20675970), (2, 10337985), (3, 6891990), (5, 4135194), (6, 3445995), (7, 2953710), (9, 2297330), (10, 2067597), (14, 1476855), (15, 1378398), (18, 1148665), (21, 984570), (30, 689199), (35, 590742), (37, 558810), (42, 492285), (45, 459466), (63, 328190), (70, 295371), (74, 279405), (90, 229733), (105, 196914), (111, 186270), (126, 164095), (185, 111762), (210, 98457), (222, 93135), (259, 79830), (315, 65638), (333, 62090), (370, 55881), (518, 39915), (555, 37254), (630, 32819), (666, 31045), (777, 26610), (887, 23310), (1110, 18627), (1295, 15966), (1554, 13305), (1665, 12418), (1774, 11655), (2331, 8870), (2590, 7983), (2661, 7770), (3330, 6209), (3885, 5322), (4435, 4662)]