20403898620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{88813}}^1$

素因数の和:89379

約数の個数: 96

約数和(自身を含む): 65412576768

約数和(自身を除く): 45008678148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 547, 1094, 1641, 2188, 2735, 3282, 3829, 5470, 6564, 7658, 8205, 10940, 11487, 15316, 16410, 19145, 22974, 32820, 38290, 45948, 57435, 76580, 88813, 114870, 177626, 229740, 266439, 355252, 444065, 532878, 621691, 888130, 1065756, 1243382, 1332195, 1776260, 1865073, 2486764, 2664390, 3108455, 3730146, 5328780, 6216910, 7460292, 9325365, 12433820, 18650730, 37301460, 48580711, 97161422, 145742133, 194322844, 242903555, 291484266, 340064977, 485807110, 582968532, 680129954, 728710665, 971614220, 1020194931, 1360259908, 1457421330, 1700324885, 2040389862, 2914842660, 3400649770, 4080779724, 5100974655, 6801299540, 10201949310, 20403898620]

約数ペア:

[(1, 20403898620), (2, 10201949310), (3, 6801299540), (4, 5100974655), (5, 4080779724), (6, 3400649770), (7, 2914842660), (10, 2040389862), (12, 1700324885), (14, 1457421330), (15, 1360259908), (20, 1020194931), (21, 971614220), (28, 728710665), (30, 680129954), (35, 582968532), (42, 485807110), (60, 340064977), (70, 291484266), (84, 242903555), (105, 194322844), (140, 145742133), (210, 97161422), (420, 48580711), (547, 37301460), (1094, 18650730), (1641, 12433820), (2188, 9325365), (2735, 7460292), (3282, 6216910), (3829, 5328780), (5470, 3730146), (6564, 3108455), (7658, 2664390), (8205, 2486764), (10940, 1865073), (11487, 1776260), (15316, 1332195), (16410, 1243382), (19145, 1065756), (22974, 888130), (32820, 621691), (38290, 532878), (45948, 444065), (57435, 355252), (76580, 266439), (88813, 229740), (114870, 177626)]