20148009980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{86539}}^1$

素因数の和:88218

約数の個数: 48

約数和(自身を含む): 48384860160

約数和(自身を除く): 28236850180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1663, 3326, 6652, 8315, 11641, 16630, 23282, 33260, 46564, 58205, 86539, 116410, 173078, 232820, 346156, 432695, 605773, 865390, 1211546, 1730780, 2423092, 3028865, 6057730, 12115460, 143914357, 287828714, 575657428, 719571785, 1007400499, 1439143570, 2014800998, 2878287140, 4029601996, 5037002495, 10074004990, 20148009980]

約数ペア:

[(1, 20148009980), (2, 10074004990), (4, 5037002495), (5, 4029601996), (7, 2878287140), (10, 2014800998), (14, 1439143570), (20, 1007400499), (28, 719571785), (35, 575657428), (70, 287828714), (140, 143914357), (1663, 12115460), (3326, 6057730), (6652, 3028865), (8315, 2423092), (11641, 1730780), (16630, 1211546), (23282, 865390), (33260, 605773), (46564, 432695), (58205, 346156), (86539, 232820), (116410, 173078)]