20218373811

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1\times {\mathrm{727}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 29995580160

約数和(自身を除く): 9777206349

約数列:

[1, 3, 9, 61, 179, 183, 283, 537, 549, 727, 849, 1611, 2181, 2547, 6543, 10919, 17263, 32757, 44347, 50657, 51789, 98271, 130133, 133041, 151971, 155367, 205741, 390399, 399123, 455913, 617223, 1171197, 1851669, 3090077, 7938113, 9270231, 12550201, 23814339, 27810693, 36827639, 37650603, 71443017, 110482917, 112951809, 331448751, 2246485979, 6739457937, 20218373811]

約数ペア:

[(1, 20218373811), (3, 6739457937), (9, 2246485979), (61, 331448751), (179, 112951809), (183, 110482917), (283, 71443017), (537, 37650603), (549, 36827639), (727, 27810693), (849, 23814339), (1611, 12550201), (2181, 9270231), (2547, 7938113), (6543, 3090077), (10919, 1851669), (17263, 1171197), (32757, 617223), (44347, 455913), (50657, 399123), (51789, 390399), (98271, 205741), (130133, 155367), (133041, 151971)]