20048580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:426

約数の個数: 96

約数和(自身を含む): 63060480

約数和(自身を除く): 43011900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 137, 180, 270, 271, 274, 411, 540, 542, 548, 685, 813, 822, 1084, 1233, 1355, 1370, 1626, 1644, 2055, 2439, 2466, 2710, 2740, 3252, 3699, 4065, 4110, 4878, 4932, 5420, 6165, 7317, 7398, 8130, 8220, 9756, 12195, 12330, 14634, 14796, 16260, 18495, 24390, 24660, 29268, 36585, 36990, 37127, 48780, 73170, 73980, 74254, 111381, 146340, 148508, 185635, 222762, 334143, 371270, 445524, 556905, 668286, 742540, 1002429, 1113810, 1336572, 1670715, 2004858, 2227620, 3341430, 4009716, 5012145, 6682860, 10024290, 20048580]

約数ペア:

[(1, 20048580), (2, 10024290), (3, 6682860), (4, 5012145), (5, 4009716), (6, 3341430), (9, 2227620), (10, 2004858), (12, 1670715), (15, 1336572), (18, 1113810), (20, 1002429), (27, 742540), (30, 668286), (36, 556905), (45, 445524), (54, 371270), (60, 334143), (90, 222762), (108, 185635), (135, 148508), (137, 146340), (180, 111381), (270, 74254), (271, 73980), (274, 73170), (411, 48780), (540, 37127), (542, 36990), (548, 36585), (685, 29268), (813, 24660), (822, 24390), (1084, 18495), (1233, 16260), (1355, 14796), (1370, 14634), (1626, 12330), (1644, 12195), (2055, 9756), (2439, 8220), (2466, 8130), (2710, 7398), (2740, 7317), (3252, 6165), (3699, 5420), (4065, 4932), (4110, 4878)]