20215431075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{7333}}^1$

素因数の和:7501

約数の個数: 96

約数和(自身を含む): 39286771200

約数和(自身を除く): 19071340125

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 59, 75, 89, 105, 175, 177, 267, 295, 413, 445, 525, 623, 885, 1239, 1335, 1475, 1869, 2065, 2225, 3115, 4425, 5251, 6195, 6675, 7333, 9345, 10325, 15575, 15753, 21999, 26255, 30975, 36665, 36757, 46725, 51331, 78765, 109995, 110271, 131275, 153993, 183325, 183785, 256655, 393825, 432647, 549975, 551355, 652637, 769965, 918925, 1283275, 1297941, 1957911, 2163235, 2756775, 3028529, 3263185, 3849825, 4568459, 6489705, 9085587, 9789555, 10816175, 13705377, 15142645, 16315925, 22842295, 32448525, 38505583, 45427935, 48947775, 68526885, 75713225, 114211475, 115516749, 192527915, 227139675, 269539081, 342634425, 577583745, 808617243, 962639575, 1347695405, 2887918725, 4043086215, 6738477025, 20215431075]

約数ペア:

[(1, 20215431075), (3, 6738477025), (5, 4043086215), (7, 2887918725), (15, 1347695405), (21, 962639575), (25, 808617243), (35, 577583745), (59, 342634425), (75, 269539081), (89, 227139675), (105, 192527915), (175, 115516749), (177, 114211475), (267, 75713225), (295, 68526885), (413, 48947775), (445, 45427935), (525, 38505583), (623, 32448525), (885, 22842295), (1239, 16315925), (1335, 15142645), (1475, 13705377), (1869, 10816175), (2065, 9789555), (2225, 9085587), (3115, 6489705), (4425, 4568459), (5251, 3849825), (6195, 3263185), (6675, 3028529), (7333, 2756775), (9345, 2163235), (10325, 1957911), (15575, 1297941), (15753, 1283275), (21999, 918925), (26255, 769965), (30975, 652637), (36665, 551355), (36757, 549975), (46725, 432647), (51331, 393825), (78765, 256655), (109995, 183785), (110271, 183325), (131275, 153993)]