20311668

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 64350720

約数和(自身を除く): 44039052

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 27, 34, 36, 37, 39, 46, 51, 52, 54, 68, 69, 74, 78, 92, 102, 108, 111, 117, 138, 148, 153, 156, 204, 207, 221, 222, 234, 276, 299, 306, 333, 351, 391, 414, 442, 444, 459, 468, 481, 598, 612, 621, 629, 663, 666, 702, 782, 828, 851, 884, 897, 918, 962, 999, 1173, 1196, 1242, 1258, 1326, 1332, 1404, 1443, 1564, 1702, 1794, 1836, 1887, 1924, 1989, 1998, 2346, 2484, 2516, 2553, 2652, 2691, 2886, 3404, 3519, 3588, 3774, 3978, 3996, 4329, 4692, 5083, 5106, 5382, 5661, 5772, 5967, 7038, 7548, 7659, 7956, 8073, 8177, 8658, 10166, 10212, 10557, 10764, 11063, 11322, 11934, 12987, 14076, 14467, 15249, 15318, 16146, 16354, 16983, 17316, 20332, 21114, 22126, 22644, 22977, 23868, 24531, 25974, 28934, 30498, 30636, 32292, 32708, 33189, 33966, 42228, 43401, 44252, 45747, 45954, 49062, 51948, 57868, 60996, 66378, 67932, 73593, 86802, 91494, 91908, 98124, 99567, 130203, 132756, 137241, 147186, 173604, 182988, 188071, 199134, 220779, 260406, 274482, 294372, 298701, 376142, 390609, 398268, 441558, 520812, 548964, 564213, 597402, 752284, 781218, 883116, 1128426, 1194804, 1562436, 1692639, 2256852, 3385278, 5077917, 6770556, 10155834, 20311668]

約数ペア:

[(1, 20311668), (2, 10155834), (3, 6770556), (4, 5077917), (6, 3385278), (9, 2256852), (12, 1692639), (13, 1562436), (17, 1194804), (18, 1128426), (23, 883116), (26, 781218), (27, 752284), (34, 597402), (36, 564213), (37, 548964), (39, 520812), (46, 441558), (51, 398268), (52, 390609), (54, 376142), (68, 298701), (69, 294372), (74, 274482), (78, 260406), (92, 220779), (102, 199134), (108, 188071), (111, 182988), (117, 173604), (138, 147186), (148, 137241), (153, 132756), (156, 130203), (204, 99567), (207, 98124), (221, 91908), (222, 91494), (234, 86802), (276, 73593), (299, 67932), (306, 66378), (333, 60996), (351, 57868), (391, 51948), (414, 49062), (442, 45954), (444, 45747), (459, 44252), (468, 43401), (481, 42228), (598, 33966), (612, 33189), (621, 32708), (629, 32292), (663, 30636), (666, 30498), (702, 28934), (782, 25974), (828, 24531), (851, 23868), (884, 22977), (897, 22644), (918, 22126), (962, 21114), (999, 20332), (1173, 17316), (1196, 16983), (1242, 16354), (1258, 16146), (1326, 15318), (1332, 15249), (1404, 14467), (1443, 14076), (1564, 12987), (1702, 11934), (1794, 11322), (1836, 11063), (1887, 10764), (1924, 10557), (1989, 10212), (1998, 10166), (2346, 8658), (2484, 8177), (2516, 8073), (2553, 7956), (2652, 7659), (2691, 7548), (2886, 7038), (3404, 5967), (3519, 5772), (3588, 5661), (3774, 5382), (3978, 5106), (3996, 5083), (4329, 4692)]