920680384

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20879}}^1$

素因数の和:20957

約数の個数: 56

約数和(自身を含む): 2004730560

約数和(自身を除く): 1084050176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 208, 212, 416, 424, 689, 832, 848, 1378, 1696, 2756, 3392, 5512, 11024, 20879, 22048, 41758, 44096, 83516, 167032, 271427, 334064, 542854, 668128, 1085708, 1106587, 1336256, 2171416, 2213174, 4342832, 4426348, 8685664, 8852696, 14385631, 17371328, 17705392, 28771262, 35410784, 57542524, 70821568, 115085048, 230170096, 460340192, 920680384]

約数ペア:

[(1, 920680384), (2, 460340192), (4, 230170096), (8, 115085048), (13, 70821568), (16, 57542524), (26, 35410784), (32, 28771262), (52, 17705392), (53, 17371328), (64, 14385631), (104, 8852696), (106, 8685664), (208, 4426348), (212, 4342832), (416, 2213174), (424, 2171416), (689, 1336256), (832, 1106587), (848, 1085708), (1378, 668128), (1696, 542854), (2756, 334064), (3392, 271427), (5512, 167032), (11024, 83516), (20879, 44096), (22048, 41758)]