20212962

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:743

約数の個数: 64

約数和(自身を含む): 51231744

約数和(自身を除く): 31018782

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 67, 77, 134, 154, 201, 231, 402, 462, 469, 653, 737, 938, 1306, 1407, 1474, 1959, 2211, 2814, 3918, 4422, 4571, 5159, 7183, 9142, 10318, 13713, 14366, 15477, 21549, 27426, 30954, 43098, 43751, 50281, 87502, 100562, 131253, 150843, 262506, 301686, 306257, 481261, 612514, 918771, 962522, 1443783, 1837542, 2887566, 3368827, 6737654, 10106481, 20212962]

約数ペア:

[(1, 20212962), (2, 10106481), (3, 6737654), (6, 3368827), (7, 2887566), (11, 1837542), (14, 1443783), (21, 962522), (22, 918771), (33, 612514), (42, 481261), (66, 306257), (67, 301686), (77, 262506), (134, 150843), (154, 131253), (201, 100562), (231, 87502), (402, 50281), (462, 43751), (469, 43098), (653, 30954), (737, 27426), (938, 21549), (1306, 15477), (1407, 14366), (1474, 13713), (1959, 10318), (2211, 9142), (2814, 7183), (3918, 5159), (4422, 4571)]