20210388

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 53625600

約数和(自身を除く): 33415212

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 121, 124, 132, 186, 242, 341, 363, 372, 449, 484, 682, 726, 898, 1023, 1347, 1364, 1452, 1796, 2046, 2694, 3751, 4092, 4939, 5388, 7502, 9878, 11253, 13919, 14817, 15004, 19756, 22506, 27838, 29634, 41757, 45012, 54329, 55676, 59268, 83514, 108658, 153109, 162987, 167028, 217316, 306218, 325974, 459327, 612436, 651948, 918654, 1684199, 1837308, 3368398, 5052597, 6736796, 10105194, 20210388]

約数ペア:

[(1, 20210388), (2, 10105194), (3, 6736796), (4, 5052597), (6, 3368398), (11, 1837308), (12, 1684199), (22, 918654), (31, 651948), (33, 612436), (44, 459327), (62, 325974), (66, 306218), (93, 217316), (121, 167028), (124, 162987), (132, 153109), (186, 108658), (242, 83514), (341, 59268), (363, 55676), (372, 54329), (449, 45012), (484, 41757), (682, 29634), (726, 27838), (898, 22506), (1023, 19756), (1347, 15004), (1364, 14817), (1452, 13919), (1796, 11253), (2046, 9878), (2694, 7502), (3751, 5388), (4092, 4939)]