20512957560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7432231}}^1$

素因数の和:7432268

約数の個数: 64

約数和(自身を含む): 64214484480

約数和(自身を除く): 43701526920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 7432231, 14864462, 22296693, 29728924, 37161155, 44593386, 59457848, 74322310, 89186772, 111483465, 148644620, 170941313, 178373544, 222966930, 297289240, 341882626, 445933860, 512823939, 683765252, 854706565, 891867720, 1025647878, 1367530504, 1709413130, 2051295756, 2564119695, 3418826260, 4102591512, 5128239390, 6837652520, 10256478780, 20512957560]

約数ペア:

[(1, 20512957560), (2, 10256478780), (3, 6837652520), (4, 5128239390), (5, 4102591512), (6, 3418826260), (8, 2564119695), (10, 2051295756), (12, 1709413130), (15, 1367530504), (20, 1025647878), (23, 891867720), (24, 854706565), (30, 683765252), (40, 512823939), (46, 445933860), (60, 341882626), (69, 297289240), (92, 222966930), (115, 178373544), (120, 170941313), (138, 148644620), (184, 111483465), (230, 89186772), (276, 74322310), (345, 59457848), (460, 44593386), (552, 37161155), (690, 29728924), (920, 22296693), (1380, 14864462), (2760, 7432231)]