20525232016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{569}}^1\times {\mathrm{1181}}^1$

素因数の和:1864

約数の個数: 80

約数和(自身を含む): 42106055040

約数和(自身を除く): 21580823024

約数列:

[1, 2, 4, 8, 16, 23, 46, 83, 92, 166, 184, 332, 368, 569, 664, 1138, 1181, 1328, 1909, 2276, 2362, 3818, 4552, 4724, 7636, 9104, 9448, 13087, 15272, 18896, 26174, 27163, 30544, 47227, 52348, 54326, 94454, 98023, 104696, 108652, 188908, 196046, 209392, 217304, 377816, 392092, 434608, 671989, 755632, 784184, 1086221, 1343978, 1568368, 2172442, 2254529, 2687956, 4344884, 4509058, 5375912, 8689768, 9018116, 10751824, 15455747, 17379536, 18036232, 30911494, 36072464, 55775087, 61822988, 111550174, 123645976, 223100348, 247291952, 446200696, 892401392, 1282827001, 2565654002, 5131308004, 10262616008, 20525232016]

約数ペア:

[(1, 20525232016), (2, 10262616008), (4, 5131308004), (8, 2565654002), (16, 1282827001), (23, 892401392), (46, 446200696), (83, 247291952), (92, 223100348), (166, 123645976), (184, 111550174), (332, 61822988), (368, 55775087), (569, 36072464), (664, 30911494), (1138, 18036232), (1181, 17379536), (1328, 15455747), (1909, 10751824), (2276, 9018116), (2362, 8689768), (3818, 5375912), (4552, 4509058), (4724, 4344884), (7636, 2687956), (9104, 2254529), (9448, 2172442), (13087, 1568368), (15272, 1343978), (18896, 1086221), (26174, 784184), (27163, 755632), (30544, 671989), (47227, 434608), (52348, 392092), (54326, 377816), (94454, 217304), (98023, 209392), (104696, 196046), (108652, 188908)]