20487668010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{238201}}^1$

素因数の和:238319

約数の個数: 64

約数和(自身を含む): 51040018944

約数和(自身を除く): 30552350934

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 47, 61, 94, 122, 141, 183, 235, 282, 305, 366, 470, 610, 705, 915, 1410, 1830, 2867, 5734, 8601, 14335, 17202, 28670, 43005, 86010, 238201, 476402, 714603, 1191005, 1429206, 2382010, 3573015, 7146030, 11195447, 14530261, 22390894, 29060522, 33586341, 43590783, 55977235, 67172682, 72651305, 87181566, 111954470, 145302610, 167931705, 217953915, 335863410, 435907830, 682922267, 1365844534, 2048766801, 3414611335, 4097533602, 6829222670, 10243834005, 20487668010]

約数ペア:

[(1, 20487668010), (2, 10243834005), (3, 6829222670), (5, 4097533602), (6, 3414611335), (10, 2048766801), (15, 1365844534), (30, 682922267), (47, 435907830), (61, 335863410), (94, 217953915), (122, 167931705), (141, 145302610), (183, 111954470), (235, 87181566), (282, 72651305), (305, 67172682), (366, 55977235), (470, 43590783), (610, 33586341), (705, 29060522), (915, 22390894), (1410, 14530261), (1830, 11195447), (2867, 7146030), (5734, 3573015), (8601, 2382010), (14335, 1429206), (17202, 1191005), (28670, 714603), (43005, 476402), (86010, 238201)]