20352829720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{248569}}^1$

素因数の和:248692

約数の個数: 64

約数和(自身を含む): 48322008000

約数和(自身を除く): 27969178280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 89, 92, 115, 178, 184, 230, 356, 445, 460, 712, 890, 920, 1780, 2047, 3560, 4094, 8188, 10235, 16376, 20470, 40940, 81880, 248569, 497138, 994276, 1242845, 1988552, 2485690, 4971380, 5717087, 9942760, 11434174, 22122641, 22868348, 28585435, 44245282, 45736696, 57170870, 88490564, 110613205, 114341740, 176981128, 221226410, 228683480, 442452820, 508820743, 884905640, 1017641486, 2035282972, 2544103715, 4070565944, 5088207430, 10176414860, 20352829720]

約数ペア:

[(1, 20352829720), (2, 10176414860), (4, 5088207430), (5, 4070565944), (8, 2544103715), (10, 2035282972), (20, 1017641486), (23, 884905640), (40, 508820743), (46, 442452820), (89, 228683480), (92, 221226410), (115, 176981128), (178, 114341740), (184, 110613205), (230, 88490564), (356, 57170870), (445, 45736696), (460, 44245282), (712, 28585435), (890, 22868348), (920, 22122641), (1780, 11434174), (2047, 9942760), (3560, 5717087), (4094, 4971380), (8188, 2485690), (10235, 1988552), (16376, 1242845), (20470, 994276), (40940, 497138), (81880, 248569)]