20347790985

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{4273}}^1$

素因数の和:4443

約数の個数: 96

約数和(自身を含む): 37804384800

約数和(自身を除く): 17456593815

約数列:

[1, 3, 5, 9, 15, 29, 41, 45, 87, 89, 123, 145, 205, 261, 267, 369, 435, 445, 615, 801, 1189, 1305, 1335, 1845, 2581, 3567, 3649, 4005, 4273, 5945, 7743, 10701, 10947, 12819, 12905, 17835, 18245, 21365, 23229, 32841, 38457, 38715, 53505, 54735, 64095, 105821, 116145, 123917, 164205, 175193, 192285, 317463, 371751, 380297, 525579, 529105, 619585, 875965, 952389, 1115253, 1140891, 1576737, 1587315, 1858755, 1901485, 2627895, 3422673, 4761945, 5080597, 5576265, 5704455, 7883685, 11028613, 15241791, 15592177, 17113365, 25402985, 33085839, 45725373, 46776531, 55143065, 76208955, 77960885, 99257517, 140329593, 165429195, 228626865, 233882655, 452173133, 496287585, 701647965, 1356519399, 2260865665, 4069558197, 6782596995, 20347790985]

約数ペア:

[(1, 20347790985), (3, 6782596995), (5, 4069558197), (9, 2260865665), (15, 1356519399), (29, 701647965), (41, 496287585), (45, 452173133), (87, 233882655), (89, 228626865), (123, 165429195), (145, 140329593), (205, 99257517), (261, 77960885), (267, 76208955), (369, 55143065), (435, 46776531), (445, 45725373), (615, 33085839), (801, 25402985), (1189, 17113365), (1305, 15592177), (1335, 15241791), (1845, 11028613), (2581, 7883685), (3567, 5704455), (3649, 5576265), (4005, 5080597), (4273, 4761945), (5945, 3422673), (7743, 2627895), (10701, 1901485), (10947, 1858755), (12819, 1587315), (12905, 1576737), (17835, 1140891), (18245, 1115253), (21365, 952389), (23229, 875965), (32841, 619585), (38457, 529105), (38715, 525579), (53505, 380297), (54735, 371751), (64095, 317463), (105821, 192285), (116145, 175193), (123917, 164205)]