20146203784

素因数分解:

$2^3\times 7^3\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{541}}^1$

素因数の和:940

約数の個数: 128

約数和(自身を含む): 45345888000

約数和(自身を除く): 25199684216

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 331, 343, 392, 541, 574, 662, 686, 1082, 1148, 1324, 1372, 2009, 2164, 2296, 2317, 2648, 2744, 3787, 4018, 4328, 4634, 7574, 8036, 9268, 13571, 14063, 15148, 16072, 16219, 18536, 22181, 26509, 27142, 28126, 30296, 32438, 44362, 53018, 54284, 56252, 64876, 88724, 94997, 106036, 108568, 112504, 113533, 129752, 155267, 177448, 179071, 185563, 189994, 212072, 227066, 310534, 358142, 371126, 379988, 454132, 621068, 664979, 716284, 742252, 759976, 908264, 1086869, 1242136, 1253497, 1329958, 1432568, 1484504, 2173738, 2506994, 2659916, 4347476, 4654853, 5013988, 5319832, 7341911, 7608083, 8694952, 8774479, 9309706, 10027976, 14683822, 15216166, 17548958, 18619412, 29367644, 30432332, 35097916, 37238824, 51393377, 58735288, 60864664, 61421353, 70195832, 102786754, 122842706, 205573508, 245685412, 359753639, 411147016, 491370824, 719507278, 1439014556, 2518275473, 2878029112, 5036550946, 10073101892, 20146203784]

約数ペア:

[(1, 20146203784), (2, 10073101892), (4, 5036550946), (7, 2878029112), (8, 2518275473), (14, 1439014556), (28, 719507278), (41, 491370824), (49, 411147016), (56, 359753639), (82, 245685412), (98, 205573508), (164, 122842706), (196, 102786754), (287, 70195832), (328, 61421353), (331, 60864664), (343, 58735288), (392, 51393377), (541, 37238824), (574, 35097916), (662, 30432332), (686, 29367644), (1082, 18619412), (1148, 17548958), (1324, 15216166), (1372, 14683822), (2009, 10027976), (2164, 9309706), (2296, 8774479), (2317, 8694952), (2648, 7608083), (2744, 7341911), (3787, 5319832), (4018, 5013988), (4328, 4654853), (4634, 4347476), (7574, 2659916), (8036, 2506994), (9268, 2173738), (13571, 1484504), (14063, 1432568), (15148, 1329958), (16072, 1253497), (16219, 1242136), (18536, 1086869), (22181, 908264), (26509, 759976), (27142, 742252), (28126, 716284), (30296, 664979), (32438, 621068), (44362, 454132), (53018, 379988), (54284, 371126), (56252, 358142), (64876, 310534), (88724, 227066), (94997, 212072), (106036, 189994), (108568, 185563), (112504, 179071), (113533, 177448), (129752, 155267)]