20285239360

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2044883}}^1$

素因数の和:2044931

約数の個数: 56

約数和(自身を含む): 49862451456

約数和(自身を除く): 29577212096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 2044883, 4089766, 8179532, 10224415, 16359064, 20448830, 32718128, 40897660, 63391373, 65436256, 81795320, 126782746, 130872512, 163590640, 253565492, 316956865, 327181280, 507130984, 633913730, 654362560, 1014261968, 1267827460, 2028523936, 2535654920, 4057047872, 5071309840, 10142619680, 20285239360]

約数ペア:

[(1, 20285239360), (2, 10142619680), (4, 5071309840), (5, 4057047872), (8, 2535654920), (10, 2028523936), (16, 1267827460), (20, 1014261968), (31, 654362560), (32, 633913730), (40, 507130984), (62, 327181280), (64, 316956865), (80, 253565492), (124, 163590640), (155, 130872512), (160, 126782746), (248, 81795320), (310, 65436256), (320, 63391373), (496, 40897660), (620, 32718128), (992, 20448830), (1240, 16359064), (1984, 10224415), (2480, 8179532), (4960, 4089766), (9920, 2044883)]