20153224

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 128

約数和(自身を含む): 51609600

約数和(自身を除く): 31456376

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 31, 38, 47, 52, 56, 62, 76, 91, 94, 104, 124, 133, 152, 182, 188, 217, 247, 248, 266, 329, 364, 376, 403, 434, 494, 532, 589, 611, 658, 728, 806, 868, 893, 988, 1064, 1178, 1222, 1316, 1457, 1612, 1729, 1736, 1786, 1976, 2356, 2444, 2632, 2821, 2914, 3224, 3458, 3572, 4123, 4277, 4712, 4888, 5642, 5828, 6251, 6916, 7144, 7657, 8246, 8554, 10199, 11284, 11609, 11656, 12502, 13832, 15314, 16492, 17108, 18941, 20398, 22568, 23218, 25004, 27683, 30628, 32984, 34216, 37882, 40796, 46436, 50008, 53599, 55366, 61256, 75764, 81263, 81592, 92872, 107198, 110732, 132587, 151528, 162526, 193781, 214396, 221464, 265174, 325052, 359879, 387562, 428792, 530348, 650104, 719758, 775124, 1060696, 1439516, 1550248, 2519153, 2879032, 5038306, 10076612, 20153224]

約数ペア:

[(1, 20153224), (2, 10076612), (4, 5038306), (7, 2879032), (8, 2519153), (13, 1550248), (14, 1439516), (19, 1060696), (26, 775124), (28, 719758), (31, 650104), (38, 530348), (47, 428792), (52, 387562), (56, 359879), (62, 325052), (76, 265174), (91, 221464), (94, 214396), (104, 193781), (124, 162526), (133, 151528), (152, 132587), (182, 110732), (188, 107198), (217, 92872), (247, 81592), (248, 81263), (266, 75764), (329, 61256), (364, 55366), (376, 53599), (403, 50008), (434, 46436), (494, 40796), (532, 37882), (589, 34216), (611, 32984), (658, 30628), (728, 27683), (806, 25004), (868, 23218), (893, 22568), (988, 20398), (1064, 18941), (1178, 17108), (1222, 16492), (1316, 15314), (1457, 13832), (1612, 12502), (1729, 11656), (1736, 11609), (1786, 11284), (1976, 10199), (2356, 8554), (2444, 8246), (2632, 7657), (2821, 7144), (2914, 6916), (3224, 6251), (3458, 5828), (3572, 5642), (4123, 4888), (4277, 4712)]