20127770156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{28979}}^1$

素因数の和:29071

約数の個数: 72

約数和(自身を含む): 41118099120

約数和(自身を除く): 20990328964

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 361, 481, 494, 703, 722, 962, 988, 1406, 1444, 1924, 2812, 4693, 9139, 9386, 13357, 18278, 18772, 26714, 28979, 36556, 53428, 57958, 115916, 173641, 347282, 376727, 550601, 694564, 753454, 1072223, 1101202, 1506908, 2144446, 2202404, 4288892, 7157813, 10461419, 13938899, 14315626, 20372237, 20922838, 27877798, 28631252, 40744474, 41845676, 55755596, 81488948, 135998447, 264839081, 271996894, 387072503, 529678162, 543993788, 774145006, 1059356324, 1548290012, 5031942539, 10063885078, 20127770156]

約数ペア:

[(1, 20127770156), (2, 10063885078), (4, 5031942539), (13, 1548290012), (19, 1059356324), (26, 774145006), (37, 543993788), (38, 529678162), (52, 387072503), (74, 271996894), (76, 264839081), (148, 135998447), (247, 81488948), (361, 55755596), (481, 41845676), (494, 40744474), (703, 28631252), (722, 27877798), (962, 20922838), (988, 20372237), (1406, 14315626), (1444, 13938899), (1924, 10461419), (2812, 7157813), (4693, 4288892), (9139, 2202404), (9386, 2144446), (13357, 1506908), (18278, 1101202), (18772, 1072223), (26714, 753454), (28979, 694564), (36556, 550601), (53428, 376727), (57958, 347282), (115916, 173641)]