20994132

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 50972544

約数和(自身を除く): 29978412

約数列:

[1, 2, 3, 4, 6, 12, 41, 71, 82, 123, 142, 164, 213, 246, 284, 426, 492, 601, 852, 1202, 1803, 2404, 2911, 3606, 5822, 7212, 8733, 11644, 17466, 24641, 34932, 42671, 49282, 73923, 85342, 98564, 128013, 147846, 170684, 256026, 295692, 512052, 1749511, 3499022, 5248533, 6998044, 10497066, 20994132]

約数ペア:

[(1, 20994132), (2, 10497066), (3, 6998044), (4, 5248533), (6, 3499022), (12, 1749511), (41, 512052), (71, 295692), (82, 256026), (123, 170684), (142, 147846), (164, 128013), (213, 98564), (246, 85342), (284, 73923), (426, 49282), (492, 42671), (601, 34932), (852, 24641), (1202, 17466), (1803, 11644), (2404, 8733), (2911, 7212), (3606, 5822)]