20122421900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{6619}}^1$

素因数の和:6784

約数の個数: 144

約数和(自身を含む): 51577532160

約数和(自身を除く): 31455110260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 101, 140, 172, 175, 202, 215, 301, 350, 404, 430, 505, 602, 700, 707, 860, 1010, 1075, 1204, 1414, 1505, 2020, 2150, 2525, 2828, 3010, 3535, 4300, 4343, 5050, 6020, 6619, 7070, 7525, 8686, 10100, 13238, 14140, 15050, 17372, 17675, 21715, 26476, 30100, 30401, 33095, 35350, 43430, 46333, 60802, 66190, 70700, 86860, 92666, 108575, 121604, 132380, 152005, 165475, 185332, 217150, 231665, 284617, 304010, 330950, 434300, 463330, 569234, 608020, 661900, 668519, 760025, 926660, 1138468, 1158325, 1337038, 1423085, 1520050, 1992319, 2316650, 2674076, 2846170, 3040100, 3342595, 3984638, 4633300, 4679633, 5692340, 6685190, 7115425, 7969276, 9359266, 9961595, 13370380, 14230850, 16712975, 18718532, 19923190, 23398165, 28461700, 28746317, 33425950, 39846380, 46796330, 49807975, 57492634, 66851900, 93592660, 99615950, 114985268, 116990825, 143731585, 199231900, 201224219, 233981650, 287463170, 402448438, 467963300, 574926340, 718657925, 804896876, 1006121095, 1437315850, 2012242190, 2874631700, 4024484380, 5030605475, 10061210950, 20122421900]

約数ペア:

[(1, 20122421900), (2, 10061210950), (4, 5030605475), (5, 4024484380), (7, 2874631700), (10, 2012242190), (14, 1437315850), (20, 1006121095), (25, 804896876), (28, 718657925), (35, 574926340), (43, 467963300), (50, 402448438), (70, 287463170), (86, 233981650), (100, 201224219), (101, 199231900), (140, 143731585), (172, 116990825), (175, 114985268), (202, 99615950), (215, 93592660), (301, 66851900), (350, 57492634), (404, 49807975), (430, 46796330), (505, 39846380), (602, 33425950), (700, 28746317), (707, 28461700), (860, 23398165), (1010, 19923190), (1075, 18718532), (1204, 16712975), (1414, 14230850), (1505, 13370380), (2020, 9961595), (2150, 9359266), (2525, 7969276), (2828, 7115425), (3010, 6685190), (3535, 5692340), (4300, 4679633), (4343, 4633300), (5050, 3984638), (6020, 3342595), (6619, 3040100), (7070, 2846170), (7525, 2674076), (8686, 2316650), (10100, 1992319), (13238, 1520050), (14140, 1423085), (15050, 1337038), (17372, 1158325), (17675, 1138468), (21715, 926660), (26476, 760025), (30100, 668519), (30401, 661900), (33095, 608020), (35350, 569234), (43430, 463330), (46333, 434300), (60802, 330950), (66190, 304010), (70700, 284617), (86860, 231665), (92666, 217150), (108575, 185332), (121604, 165475), (132380, 152005)]