20727473715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1\times {\mathrm{1861}}^1$

素因数の和:2205

約数の個数: 96

約数和(自身を含む): 39364765440

約数和(自身を除く): 18637291725

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 79, 117, 195, 237, 241, 395, 585, 711, 723, 1027, 1185, 1205, 1861, 2169, 3081, 3133, 3555, 3615, 5135, 5583, 9243, 9305, 9399, 10845, 15405, 15665, 16749, 19039, 24193, 27915, 28197, 46215, 46995, 57117, 72579, 83745, 95195, 120965, 140985, 147019, 171351, 217737, 247507, 285585, 362895, 441057, 448501, 735095, 742521, 856755, 1088685, 1237535, 1323171, 1345503, 1911247, 2205285, 2227563, 2242505, 3712605, 4036509, 5733741, 5830513, 6615855, 6727515, 9556235, 11137815, 17201223, 17491539, 20182545, 28668705, 29152565, 35431579, 52474617, 86006115, 87457695, 106294737, 177157895, 262373085, 318884211, 460610527, 531473685, 1381831581, 1594421055, 2303052635, 4145494743, 6909157905, 20727473715]

約数ペア:

[(1, 20727473715), (3, 6909157905), (5, 4145494743), (9, 2303052635), (13, 1594421055), (15, 1381831581), (39, 531473685), (45, 460610527), (65, 318884211), (79, 262373085), (117, 177157895), (195, 106294737), (237, 87457695), (241, 86006115), (395, 52474617), (585, 35431579), (711, 29152565), (723, 28668705), (1027, 20182545), (1185, 17491539), (1205, 17201223), (1861, 11137815), (2169, 9556235), (3081, 6727515), (3133, 6615855), (3555, 5830513), (3615, 5733741), (5135, 4036509), (5583, 3712605), (9243, 2242505), (9305, 2227563), (9399, 2205285), (10845, 1911247), (15405, 1345503), (15665, 1323171), (16749, 1237535), (19039, 1088685), (24193, 856755), (27915, 742521), (28197, 735095), (46215, 448501), (46995, 441057), (57117, 362895), (72579, 285585), (83745, 247507), (95195, 217737), (120965, 171351), (140985, 147019)]