20178962375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{24019}}^1$

素因数の和:24105

約数の個数: 64

約数和(自身を含む): 30216775680

約数和(自身を除く): 10037813305

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 125, 143, 235, 275, 325, 517, 611, 715, 1175, 1375, 1625, 2585, 3055, 3575, 5875, 6721, 12925, 15275, 17875, 24019, 33605, 64625, 76375, 120095, 168025, 264209, 312247, 600475, 840125, 1128893, 1321045, 1561235, 3002375, 3434717, 5644465, 6605225, 7806175, 12417823, 14675609, 17173585, 28222325, 33026125, 39030875, 62089115, 73378045, 85867925, 141111625, 161431699, 310445575, 366890225, 429339625, 807158495, 1552227875, 1834451125, 4035792475, 20178962375]

約数ペア:

[(1, 20178962375), (5, 4035792475), (11, 1834451125), (13, 1552227875), (25, 807158495), (47, 429339625), (55, 366890225), (65, 310445575), (125, 161431699), (143, 141111625), (235, 85867925), (275, 73378045), (325, 62089115), (517, 39030875), (611, 33026125), (715, 28222325), (1175, 17173585), (1375, 14675609), (1625, 12417823), (2585, 7806175), (3055, 6605225), (3575, 5644465), (5875, 3434717), (6721, 3002375), (12925, 1561235), (15275, 1321045), (17875, 1128893), (24019, 840125), (33605, 600475), (64625, 312247), (76375, 264209), (120095, 168025)]