20211180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 62512128

約数和(自身を除く): 42300948

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 113, 132, 165, 220, 226, 271, 330, 339, 452, 542, 565, 660, 678, 813, 1084, 1130, 1243, 1355, 1356, 1626, 1695, 2260, 2486, 2710, 2981, 3252, 3390, 3729, 4065, 4972, 5420, 5962, 6215, 6780, 7458, 8130, 8943, 11924, 12430, 14905, 14916, 16260, 17886, 18645, 24860, 29810, 30623, 35772, 37290, 44715, 59620, 61246, 74580, 89430, 91869, 122492, 153115, 178860, 183738, 306230, 336853, 367476, 459345, 612460, 673706, 918690, 1010559, 1347412, 1684265, 1837380, 2021118, 3368530, 4042236, 5052795, 6737060, 10105590, 20211180]

約数ペア:

[(1, 20211180), (2, 10105590), (3, 6737060), (4, 5052795), (5, 4042236), (6, 3368530), (10, 2021118), (11, 1837380), (12, 1684265), (15, 1347412), (20, 1010559), (22, 918690), (30, 673706), (33, 612460), (44, 459345), (55, 367476), (60, 336853), (66, 306230), (110, 183738), (113, 178860), (132, 153115), (165, 122492), (220, 91869), (226, 89430), (271, 74580), (330, 61246), (339, 59620), (452, 44715), (542, 37290), (565, 35772), (660, 30623), (678, 29810), (813, 24860), (1084, 18645), (1130, 17886), (1243, 16260), (1355, 14916), (1356, 14905), (1626, 12430), (1695, 11924), (2260, 8943), (2486, 8130), (2710, 7458), (2981, 6780), (3252, 6215), (3390, 5962), (3729, 5420), (4065, 4972)]