20201387584

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{207799}}^1$

素因数の和:207856

約数の個数: 84

約数和(自身を含む): 48136454400

約数和(自身を除く): 27935066816

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 196, 217, 224, 248, 392, 434, 448, 496, 784, 868, 992, 1519, 1568, 1736, 1984, 3038, 3136, 3472, 6076, 6944, 12152, 13888, 24304, 48608, 97216, 207799, 415598, 831196, 1454593, 1662392, 2909186, 3324784, 5818372, 6441769, 6649568, 10182151, 11636744, 12883538, 13299136, 20364302, 23273488, 25767076, 40728604, 45092383, 46546976, 51534152, 81457208, 90184766, 93093952, 103068304, 162914416, 180369532, 206136608, 315646681, 325828832, 360739064, 412273216, 631293362, 651657664, 721478128, 1262586724, 1442956256, 2525173448, 2885912512, 5050346896, 10100693792, 20201387584]

約数ペア:

[(1, 20201387584), (2, 10100693792), (4, 5050346896), (7, 2885912512), (8, 2525173448), (14, 1442956256), (16, 1262586724), (28, 721478128), (31, 651657664), (32, 631293362), (49, 412273216), (56, 360739064), (62, 325828832), (64, 315646681), (98, 206136608), (112, 180369532), (124, 162914416), (196, 103068304), (217, 93093952), (224, 90184766), (248, 81457208), (392, 51534152), (434, 46546976), (448, 45092383), (496, 40728604), (784, 25767076), (868, 23273488), (992, 20364302), (1519, 13299136), (1568, 12883538), (1736, 11636744), (1984, 10182151), (3038, 6649568), (3136, 6441769), (3472, 5818372), (6076, 3324784), (6944, 2909186), (12152, 1662392), (13888, 1454593), (24304, 831196), (48608, 415598), (97216, 207799)]