20484090

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 160

約数和(自身を含む): 63771840

約数和(自身を除く): 43287750

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 27, 30, 33, 38, 45, 54, 55, 57, 66, 81, 90, 95, 99, 110, 114, 121, 135, 162, 165, 171, 190, 198, 209, 242, 270, 285, 297, 330, 342, 363, 405, 418, 495, 513, 570, 594, 605, 627, 726, 810, 855, 891, 990, 1026, 1045, 1089, 1210, 1254, 1331, 1485, 1539, 1710, 1782, 1815, 1881, 2090, 2178, 2299, 2565, 2662, 2970, 3078, 3135, 3267, 3630, 3762, 3993, 4455, 4598, 5130, 5445, 5643, 6270, 6534, 6655, 6897, 7695, 7986, 8910, 9405, 9801, 10890, 11286, 11495, 11979, 13310, 13794, 15390, 16335, 16929, 18810, 19602, 19965, 20691, 22990, 23958, 25289, 28215, 32670, 33858, 34485, 35937, 39930, 41382, 49005, 50578, 56430, 59895, 62073, 68970, 71874, 75867, 84645, 98010, 103455, 107811, 119790, 124146, 126445, 151734, 169290, 179685, 186219, 206910, 215622, 227601, 252890, 310365, 359370, 372438, 379335, 455202, 539055, 620730, 682803, 758670, 931095, 1078110, 1138005, 1365606, 1862190, 2048409, 2276010, 3414015, 4096818, 6828030, 10242045, 20484090]

約数ペア:

[(1, 20484090), (2, 10242045), (3, 6828030), (5, 4096818), (6, 3414015), (9, 2276010), (10, 2048409), (11, 1862190), (15, 1365606), (18, 1138005), (19, 1078110), (22, 931095), (27, 758670), (30, 682803), (33, 620730), (38, 539055), (45, 455202), (54, 379335), (55, 372438), (57, 359370), (66, 310365), (81, 252890), (90, 227601), (95, 215622), (99, 206910), (110, 186219), (114, 179685), (121, 169290), (135, 151734), (162, 126445), (165, 124146), (171, 119790), (190, 107811), (198, 103455), (209, 98010), (242, 84645), (270, 75867), (285, 71874), (297, 68970), (330, 62073), (342, 59895), (363, 56430), (405, 50578), (418, 49005), (495, 41382), (513, 39930), (570, 35937), (594, 34485), (605, 33858), (627, 32670), (726, 28215), (810, 25289), (855, 23958), (891, 22990), (990, 20691), (1026, 19965), (1045, 19602), (1089, 18810), (1210, 16929), (1254, 16335), (1331, 15390), (1485, 13794), (1539, 13310), (1710, 11979), (1782, 11495), (1815, 11286), (1881, 10890), (2090, 9801), (2178, 9405), (2299, 8910), (2565, 7986), (2662, 7695), (2970, 6897), (3078, 6655), (3135, 6534), (3267, 6270), (3630, 5643), (3762, 5445), (3993, 5130), (4455, 4598)]