20290380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 42705588

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 71, 110, 132, 142, 165, 213, 220, 284, 330, 355, 426, 433, 660, 710, 781, 852, 866, 1065, 1299, 1420, 1562, 1732, 2130, 2165, 2343, 2598, 3124, 3905, 4260, 4330, 4686, 4763, 5196, 6495, 7810, 8660, 9372, 9526, 11715, 12990, 14289, 15620, 19052, 23430, 23815, 25980, 28578, 30743, 46860, 47630, 57156, 61486, 71445, 92229, 95260, 122972, 142890, 153715, 184458, 285780, 307430, 338173, 368916, 461145, 614860, 676346, 922290, 1014519, 1352692, 1690865, 1844580, 2029038, 3381730, 4058076, 5072595, 6763460, 10145190, 20290380]

約数ペア:

[(1, 20290380), (2, 10145190), (3, 6763460), (4, 5072595), (5, 4058076), (6, 3381730), (10, 2029038), (11, 1844580), (12, 1690865), (15, 1352692), (20, 1014519), (22, 922290), (30, 676346), (33, 614860), (44, 461145), (55, 368916), (60, 338173), (66, 307430), (71, 285780), (110, 184458), (132, 153715), (142, 142890), (165, 122972), (213, 95260), (220, 92229), (284, 71445), (330, 61486), (355, 57156), (426, 47630), (433, 46860), (660, 30743), (710, 28578), (781, 25980), (852, 23815), (866, 23430), (1065, 19052), (1299, 15620), (1420, 14289), (1562, 12990), (1732, 11715), (2130, 9526), (2165, 9372), (2343, 8660), (2598, 7810), (3124, 6495), (3905, 5196), (4260, 4763), (4330, 4686)]