20014980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 59928960

約数和(自身を除く): 39913980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 97, 114, 181, 190, 194, 228, 285, 291, 362, 380, 388, 485, 543, 570, 582, 724, 905, 970, 1086, 1140, 1164, 1455, 1810, 1843, 1940, 2172, 2715, 2910, 3439, 3620, 3686, 5430, 5529, 5820, 6878, 7372, 9215, 10317, 10860, 11058, 13756, 17195, 17557, 18430, 20634, 22116, 27645, 34390, 35114, 36860, 41268, 51585, 52671, 55290, 68780, 70228, 87785, 103170, 105342, 110580, 175570, 206340, 210684, 263355, 333583, 351140, 526710, 667166, 1000749, 1053420, 1334332, 1667915, 2001498, 3335830, 4002996, 5003745, 6671660, 10007490, 20014980]

約数ペア:

[(1, 20014980), (2, 10007490), (3, 6671660), (4, 5003745), (5, 4002996), (6, 3335830), (10, 2001498), (12, 1667915), (15, 1334332), (19, 1053420), (20, 1000749), (30, 667166), (38, 526710), (57, 351140), (60, 333583), (76, 263355), (95, 210684), (97, 206340), (114, 175570), (181, 110580), (190, 105342), (194, 103170), (228, 87785), (285, 70228), (291, 68780), (362, 55290), (380, 52671), (388, 51585), (485, 41268), (543, 36860), (570, 35114), (582, 34390), (724, 27645), (905, 22116), (970, 20634), (1086, 18430), (1140, 17557), (1164, 17195), (1455, 13756), (1810, 11058), (1843, 10860), (1940, 10317), (2172, 9215), (2715, 7372), (2910, 6878), (3439, 5820), (3620, 5529), (3686, 5430)]