20781101430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{683}}^1\times {\mathrm{9137}}^1$

素因数の和:9870

約数の個数: 96

約数和(自身を含む): 55578485664

約数和(自身を除く): 34797384234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 333, 370, 555, 666, 683, 1110, 1366, 1665, 2049, 3330, 3415, 4098, 6147, 6830, 9137, 10245, 12294, 18274, 20490, 25271, 27411, 30735, 45685, 50542, 54822, 61470, 75813, 82233, 91370, 126355, 137055, 151626, 164466, 227439, 252710, 274110, 338069, 379065, 411165, 454878, 676138, 758130, 822330, 1014207, 1137195, 1690345, 2028414, 2274390, 3042621, 3380690, 5071035, 6085242, 6240571, 10142070, 12481142, 15213105, 18721713, 30426210, 31202855, 37443426, 56165139, 62405710, 93608565, 112330278, 187217130, 230901127, 280825695, 461802254, 561651390, 692703381, 1154505635, 1385406762, 2078110143, 2309011270, 3463516905, 4156220286, 6927033810, 10390550715, 20781101430]

約数ペア:

[(1, 20781101430), (2, 10390550715), (3, 6927033810), (5, 4156220286), (6, 3463516905), (9, 2309011270), (10, 2078110143), (15, 1385406762), (18, 1154505635), (30, 692703381), (37, 561651390), (45, 461802254), (74, 280825695), (90, 230901127), (111, 187217130), (185, 112330278), (222, 93608565), (333, 62405710), (370, 56165139), (555, 37443426), (666, 31202855), (683, 30426210), (1110, 18721713), (1366, 15213105), (1665, 12481142), (2049, 10142070), (3330, 6240571), (3415, 6085242), (4098, 5071035), (6147, 3380690), (6830, 3042621), (9137, 2274390), (10245, 2028414), (12294, 1690345), (18274, 1137195), (20490, 1014207), (25271, 822330), (27411, 758130), (30735, 676138), (45685, 454878), (50542, 411165), (54822, 379065), (61470, 338069), (75813, 274110), (82233, 252710), (91370, 227439), (126355, 164466), (137055, 151626)]