20185581640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3511}}^1\times {\mathrm{20533}}^1$

素因数の和:24062

約数の個数: 64

約数和(自身を含む): 51923093760

約数和(自身を除く): 31737512120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3511, 7022, 14044, 17555, 20533, 24577, 28088, 35110, 41066, 49154, 70220, 82132, 98308, 102665, 122885, 140440, 143731, 164264, 196616, 205330, 245770, 287462, 410660, 491540, 574924, 718655, 821320, 983080, 1149848, 1437310, 2874620, 5749240, 72091363, 144182726, 288365452, 360456815, 504639541, 576730904, 720913630, 1009279082, 1441827260, 2018558164, 2523197705, 2883654520, 4037116328, 5046395410, 10092790820, 20185581640]

約数ペア:

[(1, 20185581640), (2, 10092790820), (4, 5046395410), (5, 4037116328), (7, 2883654520), (8, 2523197705), (10, 2018558164), (14, 1441827260), (20, 1009279082), (28, 720913630), (35, 576730904), (40, 504639541), (56, 360456815), (70, 288365452), (140, 144182726), (280, 72091363), (3511, 5749240), (7022, 2874620), (14044, 1437310), (17555, 1149848), (20533, 983080), (24577, 821320), (28088, 718655), (35110, 574924), (41066, 491540), (49154, 410660), (70220, 287462), (82132, 245770), (98308, 205330), (102665, 196616), (122885, 164264), (140440, 143731)]