20325060

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:327

約数の個数: 192

約数和(自身を含む): 76339200

約数和(自身を除く): 56014140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 283, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 566, 570, 630, 665, 684, 756, 798, 849, 855, 945, 1026, 1132, 1140, 1197, 1260, 1330, 1415, 1596, 1698, 1710, 1890, 1981, 1995, 2052, 2394, 2547, 2565, 2660, 2830, 3396, 3420, 3591, 3780, 3962, 3990, 4245, 4788, 5094, 5130, 5377, 5660, 5943, 5985, 7182, 7641, 7924, 7980, 8490, 9905, 10188, 10260, 10754, 11886, 11970, 12735, 14364, 15282, 16131, 16980, 17829, 17955, 19810, 21508, 23772, 23940, 25470, 26885, 29715, 30564, 32262, 35658, 35910, 37639, 38205, 39620, 48393, 50940, 53487, 53770, 59430, 64524, 71316, 71820, 75278, 76410, 80655, 89145, 96786, 106974, 107540, 112917, 118860, 145179, 150556, 152820, 161310, 178290, 188195, 193572, 213948, 225834, 241965, 267435, 290358, 322620, 338751, 356580, 376390, 451668, 483930, 534870, 564585, 580716, 677502, 725895, 752780, 967860, 1016253, 1069740, 1129170, 1355004, 1451790, 1693755, 2032506, 2258340, 2903580, 3387510, 4065012, 5081265, 6775020, 10162530, 20325060]

約数ペア:

[(1, 20325060), (2, 10162530), (3, 6775020), (4, 5081265), (5, 4065012), (6, 3387510), (7, 2903580), (9, 2258340), (10, 2032506), (12, 1693755), (14, 1451790), (15, 1355004), (18, 1129170), (19, 1069740), (20, 1016253), (21, 967860), (27, 752780), (28, 725895), (30, 677502), (35, 580716), (36, 564585), (38, 534870), (42, 483930), (45, 451668), (54, 376390), (57, 356580), (60, 338751), (63, 322620), (70, 290358), (76, 267435), (84, 241965), (90, 225834), (95, 213948), (105, 193572), (108, 188195), (114, 178290), (126, 161310), (133, 152820), (135, 150556), (140, 145179), (171, 118860), (180, 112917), (189, 107540), (190, 106974), (210, 96786), (228, 89145), (252, 80655), (266, 76410), (270, 75278), (283, 71820), (285, 71316), (315, 64524), (342, 59430), (378, 53770), (380, 53487), (399, 50940), (420, 48393), (513, 39620), (532, 38205), (540, 37639), (566, 35910), (570, 35658), (630, 32262), (665, 30564), (684, 29715), (756, 26885), (798, 25470), (849, 23940), (855, 23772), (945, 21508), (1026, 19810), (1132, 17955), (1140, 17829), (1197, 16980), (1260, 16131), (1330, 15282), (1415, 14364), (1596, 12735), (1698, 11970), (1710, 11886), (1890, 10754), (1981, 10260), (1995, 10188), (2052, 9905), (2394, 8490), (2547, 7980), (2565, 7924), (2660, 7641), (2830, 7182), (3396, 5985), (3420, 5943), (3591, 5660), (3780, 5377), (3962, 5130), (3990, 5094), (4245, 4788)]