20208512

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 43953840

約数和(自身を除く): 23745328

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 64, 68, 74, 128, 136, 148, 251, 272, 296, 502, 544, 592, 629, 1004, 1088, 1184, 1258, 2008, 2176, 2368, 2516, 4016, 4267, 4736, 5032, 8032, 8534, 9287, 10064, 16064, 17068, 18574, 20128, 32128, 34136, 37148, 40256, 68272, 74296, 80512, 136544, 148592, 157879, 273088, 297184, 315758, 546176, 594368, 631516, 1188736, 1263032, 2526064, 5052128, 10104256, 20208512]

約数ペア:

[(1, 20208512), (2, 10104256), (4, 5052128), (8, 2526064), (16, 1263032), (17, 1188736), (32, 631516), (34, 594368), (37, 546176), (64, 315758), (68, 297184), (74, 273088), (128, 157879), (136, 148592), (148, 136544), (251, 80512), (272, 74296), (296, 68272), (502, 40256), (544, 37148), (592, 34136), (629, 32128), (1004, 20128), (1088, 18574), (1184, 17068), (1258, 16064), (2008, 10064), (2176, 9287), (2368, 8534), (2516, 8032), (4016, 5032), (4267, 4736)]