20822452

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 45964800

約数和(自身を除く): 25142348

約数列:

[1, 2, 4, 7, 14, 23, 28, 31, 46, 49, 62, 92, 98, 124, 149, 161, 196, 217, 298, 322, 434, 596, 644, 713, 868, 1043, 1127, 1426, 1519, 2086, 2254, 2852, 3038, 3427, 4172, 4508, 4619, 4991, 6076, 6854, 7301, 9238, 9982, 13708, 14602, 18476, 19964, 23989, 29204, 32333, 34937, 47978, 64666, 69874, 95956, 106237, 129332, 139748, 167923, 212474, 226331, 335846, 424948, 452662, 671692, 743659, 905324, 1487318, 2974636, 5205613, 10411226, 20822452]

約数ペア:

[(1, 20822452), (2, 10411226), (4, 5205613), (7, 2974636), (14, 1487318), (23, 905324), (28, 743659), (31, 671692), (46, 452662), (49, 424948), (62, 335846), (92, 226331), (98, 212474), (124, 167923), (149, 139748), (161, 129332), (196, 106237), (217, 95956), (298, 69874), (322, 64666), (434, 47978), (596, 34937), (644, 32333), (713, 29204), (868, 23989), (1043, 19964), (1127, 18476), (1426, 14602), (1519, 13708), (2086, 9982), (2254, 9238), (2852, 7301), (3038, 6854), (3427, 6076), (4172, 4991), (4508, 4619)]