20871274496

素因数分解:

$2^{13}\times {\mathrm{53}}^2\times {\mathrm{907}}^1$

素因数の和:1039

約数の個数: 84

約数和(自身を含む): 42589312332

約数和(自身を除く): 21718037836

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 128, 212, 256, 424, 512, 848, 907, 1024, 1696, 1814, 2048, 2809, 3392, 3628, 4096, 5618, 6784, 7256, 8192, 11236, 13568, 14512, 22472, 27136, 29024, 44944, 48071, 54272, 58048, 89888, 96142, 108544, 116096, 179776, 192284, 217088, 232192, 359552, 384568, 434176, 464384, 719104, 769136, 928768, 1438208, 1538272, 1857536, 2547763, 2876416, 3076544, 3715072, 5095526, 5752832, 6153088, 7430144, 10191052, 11505664, 12306176, 20382104, 23011328, 24612352, 40764208, 49224704, 81528416, 98449408, 163056832, 196898816, 326113664, 393797632, 652227328, 1304454656, 2608909312, 5217818624, 10435637248, 20871274496]

約数ペア:

[(1, 20871274496), (2, 10435637248), (4, 5217818624), (8, 2608909312), (16, 1304454656), (32, 652227328), (53, 393797632), (64, 326113664), (106, 196898816), (128, 163056832), (212, 98449408), (256, 81528416), (424, 49224704), (512, 40764208), (848, 24612352), (907, 23011328), (1024, 20382104), (1696, 12306176), (1814, 11505664), (2048, 10191052), (2809, 7430144), (3392, 6153088), (3628, 5752832), (4096, 5095526), (5618, 3715072), (6784, 3076544), (7256, 2876416), (8192, 2547763), (11236, 1857536), (13568, 1538272), (14512, 1438208), (22472, 928768), (27136, 769136), (29024, 719104), (44944, 464384), (48071, 434176), (54272, 384568), (58048, 359552), (89888, 232192), (96142, 217088), (108544, 192284), (116096, 179776)]