20228523735

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{387631}}^1$

素因数の和:387724

約数の個数: 48

約数和(自身を含む): 38180201472

約数和(自身を除く): 17951677737

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 735, 1065, 1491, 2485, 3479, 7455, 10437, 17395, 52185, 387631, 1162893, 1938155, 2713417, 5814465, 8140251, 13567085, 18993919, 27521801, 40701255, 56981757, 82565403, 94969595, 137609005, 192652607, 284908785, 412827015, 577957821, 963263035, 1348568249, 2889789105, 4045704747, 6742841245, 20228523735]

約数ペア:

[(1, 20228523735), (3, 6742841245), (5, 4045704747), (7, 2889789105), (15, 1348568249), (21, 963263035), (35, 577957821), (49, 412827015), (71, 284908785), (105, 192652607), (147, 137609005), (213, 94969595), (245, 82565403), (355, 56981757), (497, 40701255), (735, 27521801), (1065, 18993919), (1491, 13567085), (2485, 8140251), (3479, 5814465), (7455, 2713417), (10437, 1938155), (17395, 1162893), (52185, 387631)]