20123100260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{2447}}^1$

素因数の和:2578

約数の個数: 144

約数和(自身を含む): 47947624704

約数和(自身を除く): 27824524444

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 67, 68, 76, 85, 95, 134, 170, 190, 268, 323, 335, 340, 361, 380, 646, 670, 722, 1139, 1273, 1292, 1340, 1444, 1615, 1805, 2278, 2447, 2546, 3230, 3610, 4556, 4894, 5092, 5695, 6137, 6365, 6460, 7220, 9788, 11390, 12235, 12274, 12730, 21641, 22780, 24187, 24470, 24548, 25460, 30685, 41599, 43282, 46493, 48374, 48940, 61370, 83198, 86564, 92986, 96748, 108205, 120935, 122740, 163949, 166396, 185972, 207995, 216410, 232465, 241870, 327898, 411179, 415990, 432820, 464930, 483740, 655796, 790381, 819745, 822358, 831980, 883367, 929860, 1580762, 1639490, 1644716, 1766734, 2055895, 2787133, 3115031, 3161524, 3278980, 3533468, 3951905, 4111790, 4416835, 5574266, 6230062, 7903810, 8223580, 8833670, 11148532, 12460124, 13935665, 15017239, 15575155, 15807620, 17667340, 27871330, 30034478, 31150310, 52955527, 55742660, 59185589, 60068956, 62300620, 75086195, 105911054, 118371178, 150172390, 211822108, 236742356, 264777635, 295927945, 300344780, 529555270, 591855890, 1006155013, 1059110540, 1183711780, 2012310026, 4024620052, 5030775065, 10061550130, 20123100260]

約数ペア:

[(1, 20123100260), (2, 10061550130), (4, 5030775065), (5, 4024620052), (10, 2012310026), (17, 1183711780), (19, 1059110540), (20, 1006155013), (34, 591855890), (38, 529555270), (67, 300344780), (68, 295927945), (76, 264777635), (85, 236742356), (95, 211822108), (134, 150172390), (170, 118371178), (190, 105911054), (268, 75086195), (323, 62300620), (335, 60068956), (340, 59185589), (361, 55742660), (380, 52955527), (646, 31150310), (670, 30034478), (722, 27871330), (1139, 17667340), (1273, 15807620), (1292, 15575155), (1340, 15017239), (1444, 13935665), (1615, 12460124), (1805, 11148532), (2278, 8833670), (2447, 8223580), (2546, 7903810), (3230, 6230062), (3610, 5574266), (4556, 4416835), (4894, 4111790), (5092, 3951905), (5695, 3533468), (6137, 3278980), (6365, 3161524), (6460, 3115031), (7220, 2787133), (9788, 2055895), (11390, 1766734), (12235, 1644716), (12274, 1639490), (12730, 1580762), (21641, 929860), (22780, 883367), (24187, 831980), (24470, 822358), (24548, 819745), (25460, 790381), (30685, 655796), (41599, 483740), (43282, 464930), (46493, 432820), (48374, 415990), (48940, 411179), (61370, 327898), (83198, 241870), (86564, 232465), (92986, 216410), (96748, 207995), (108205, 185972), (120935, 166396), (122740, 163949)]