16620156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 48563424

約数和(自身を除く): 31943268

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 653, 707, 909, 1212, 1306, 1414, 1818, 1959, 2121, 2612, 2828, 3636, 3918, 4242, 4571, 5877, 6363, 7836, 8484, 9142, 11754, 12726, 13713, 18284, 23508, 25452, 27426, 41139, 54852, 65953, 82278, 131906, 164556, 197859, 263812, 395718, 461671, 593577, 791436, 923342, 1187154, 1385013, 1846684, 2374308, 2770026, 4155039, 5540052, 8310078, 16620156]

約数ペア:

[(1, 16620156), (2, 8310078), (3, 5540052), (4, 4155039), (6, 2770026), (7, 2374308), (9, 1846684), (12, 1385013), (14, 1187154), (18, 923342), (21, 791436), (28, 593577), (36, 461671), (42, 395718), (63, 263812), (84, 197859), (101, 164556), (126, 131906), (202, 82278), (252, 65953), (303, 54852), (404, 41139), (606, 27426), (653, 25452), (707, 23508), (909, 18284), (1212, 13713), (1306, 12726), (1414, 11754), (1818, 9142), (1959, 8484), (2121, 7836), (2612, 6363), (2828, 5877), (3636, 4571), (3918, 4242)]