20165991012

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{5737}}^1$

素因数の和:6343

約数の個数: 120

約数和(自身を含む): 55599383840

約数和(自身を除く): 35433392828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 81, 108, 114, 162, 171, 228, 324, 342, 513, 571, 684, 1026, 1142, 1539, 1713, 2052, 2284, 3078, 3426, 5139, 5737, 6156, 6852, 10278, 10849, 11474, 15417, 17211, 20556, 21698, 22948, 30834, 32547, 34422, 43396, 46251, 51633, 61668, 65094, 68844, 92502, 97641, 103266, 109003, 130188, 154899, 185004, 195282, 206532, 218006, 292923, 309798, 327009, 390564, 436012, 464697, 585846, 619596, 654018, 878769, 929394, 981027, 1171692, 1308036, 1757538, 1858788, 1962054, 2943081, 3275827, 3515076, 3924108, 5886162, 6551654, 8829243, 9827481, 11772324, 13103308, 17658486, 19654962, 29482443, 35316972, 39309924, 58964886, 62240713, 88447329, 117929772, 124481426, 176894658, 186722139, 248962852, 265341987, 353789316, 373444278, 530683974, 560166417, 746888556, 1061367948, 1120332834, 1680499251, 2240665668, 3360998502, 5041497753, 6721997004, 10082995506, 20165991012]

約数ペア:

[(1, 20165991012), (2, 10082995506), (3, 6721997004), (4, 5041497753), (6, 3360998502), (9, 2240665668), (12, 1680499251), (18, 1120332834), (19, 1061367948), (27, 746888556), (36, 560166417), (38, 530683974), (54, 373444278), (57, 353789316), (76, 265341987), (81, 248962852), (108, 186722139), (114, 176894658), (162, 124481426), (171, 117929772), (228, 88447329), (324, 62240713), (342, 58964886), (513, 39309924), (571, 35316972), (684, 29482443), (1026, 19654962), (1142, 17658486), (1539, 13103308), (1713, 11772324), (2052, 9827481), (2284, 8829243), (3078, 6551654), (3426, 5886162), (5139, 3924108), (5737, 3515076), (6156, 3275827), (6852, 2943081), (10278, 1962054), (10849, 1858788), (11474, 1757538), (15417, 1308036), (17211, 1171692), (20556, 981027), (21698, 929394), (22948, 878769), (30834, 654018), (32547, 619596), (34422, 585846), (43396, 464697), (46251, 436012), (51633, 390564), (61668, 327009), (65094, 309798), (68844, 292923), (92502, 218006), (97641, 206532), (103266, 195282), (109003, 185004), (130188, 154899)]