20036707960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{355009}}^1$

素因数の和:355120

約数の個数: 64

約数和(自身を含む): 48309760800

約数和(自身を除く): 28273052840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 166, 170, 332, 340, 415, 664, 680, 830, 1411, 1660, 2822, 3320, 5644, 7055, 11288, 14110, 28220, 56440, 355009, 710018, 1420036, 1775045, 2840072, 3550090, 6035153, 7100180, 12070306, 14200360, 24140612, 29465747, 30175765, 48281224, 58931494, 60351530, 117862988, 120703060, 147328735, 235725976, 241406120, 294657470, 500917699, 589314940, 1001835398, 1178629880, 2003670796, 2504588495, 4007341592, 5009176990, 10018353980, 20036707960]

約数ペア:

[(1, 20036707960), (2, 10018353980), (4, 5009176990), (5, 4007341592), (8, 2504588495), (10, 2003670796), (17, 1178629880), (20, 1001835398), (34, 589314940), (40, 500917699), (68, 294657470), (83, 241406120), (85, 235725976), (136, 147328735), (166, 120703060), (170, 117862988), (332, 60351530), (340, 58931494), (415, 48281224), (664, 30175765), (680, 29465747), (830, 24140612), (1411, 14200360), (1660, 12070306), (2822, 7100180), (3320, 6035153), (5644, 3550090), (7055, 2840072), (11288, 1775045), (14110, 1420036), (28220, 710018), (56440, 355009)]