20221472

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:529

約数の個数: 48

約数和(自身を含む): 42537600

約数和(自身を除く): 22316128

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 79, 152, 158, 304, 316, 421, 608, 632, 842, 1264, 1501, 1684, 2528, 3002, 3368, 6004, 6736, 7999, 12008, 13472, 15998, 24016, 31996, 33259, 48032, 63992, 66518, 127984, 133036, 255968, 266072, 532144, 631921, 1064288, 1263842, 2527684, 5055368, 10110736, 20221472]

約数ペア:

[(1, 20221472), (2, 10110736), (4, 5055368), (8, 2527684), (16, 1263842), (19, 1064288), (32, 631921), (38, 532144), (76, 266072), (79, 255968), (152, 133036), (158, 127984), (304, 66518), (316, 63992), (421, 48032), (608, 33259), (632, 31996), (842, 24016), (1264, 15998), (1501, 13472), (1684, 12008), (2528, 7999), (3002, 6736), (3368, 6004)]