20902432

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1169

約数の個数: 48

約数和(自身を含む): 44755200

約数和(自身を除く): 23852768

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1109, 1178, 2218, 2356, 4436, 4712, 8872, 9424, 17744, 18848, 21071, 34379, 35488, 42142, 68758, 84284, 137516, 168568, 275032, 337136, 550064, 653201, 674272, 1100128, 1306402, 2612804, 5225608, 10451216, 20902432]

約数ペア:

[(1, 20902432), (2, 10451216), (4, 5225608), (8, 2612804), (16, 1306402), (19, 1100128), (31, 674272), (32, 653201), (38, 550064), (62, 337136), (76, 275032), (124, 168568), (152, 137516), (248, 84284), (304, 68758), (496, 42142), (589, 35488), (608, 34379), (992, 21071), (1109, 18848), (1178, 17744), (2218, 9424), (2356, 8872), (4436, 4712)]