20389488

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{8669}}^1$

素因数の和:8694

約数の個数: 60

約数和(自身を含む): 61279560

約数和(自身を除く): 40890072

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 84, 98, 112, 147, 168, 196, 294, 336, 392, 588, 784, 1176, 2352, 8669, 17338, 26007, 34676, 52014, 60683, 69352, 104028, 121366, 138704, 182049, 208056, 242732, 364098, 416112, 424781, 485464, 728196, 849562, 970928, 1274343, 1456392, 1699124, 2548686, 2912784, 3398248, 5097372, 6796496, 10194744, 20389488]

約数ペア:

[(1, 20389488), (2, 10194744), (3, 6796496), (4, 5097372), (6, 3398248), (7, 2912784), (8, 2548686), (12, 1699124), (14, 1456392), (16, 1274343), (21, 970928), (24, 849562), (28, 728196), (42, 485464), (48, 424781), (49, 416112), (56, 364098), (84, 242732), (98, 208056), (112, 182049), (147, 138704), (168, 121366), (196, 104028), (294, 69352), (336, 60683), (392, 52014), (588, 34676), (784, 26007), (1176, 17338), (2352, 8669)]