20724564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 61157376

約数和(自身を除く): 40432812

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 23, 28, 34, 42, 46, 51, 68, 69, 84, 92, 102, 119, 138, 161, 204, 238, 276, 322, 357, 391, 476, 483, 631, 644, 714, 782, 966, 1173, 1262, 1428, 1564, 1893, 1932, 2346, 2524, 2737, 3786, 4417, 4692, 5474, 7572, 8211, 8834, 10727, 10948, 13251, 14513, 16422, 17668, 21454, 26502, 29026, 32181, 32844, 42908, 43539, 53004, 58052, 64362, 75089, 87078, 101591, 128724, 150178, 174156, 203182, 225267, 246721, 300356, 304773, 406364, 450534, 493442, 609546, 740163, 901068, 986884, 1219092, 1480326, 1727047, 2960652, 3454094, 5181141, 6908188, 10362282, 20724564]

約数ペア:

[(1, 20724564), (2, 10362282), (3, 6908188), (4, 5181141), (6, 3454094), (7, 2960652), (12, 1727047), (14, 1480326), (17, 1219092), (21, 986884), (23, 901068), (28, 740163), (34, 609546), (42, 493442), (46, 450534), (51, 406364), (68, 304773), (69, 300356), (84, 246721), (92, 225267), (102, 203182), (119, 174156), (138, 150178), (161, 128724), (204, 101591), (238, 87078), (276, 75089), (322, 64362), (357, 58052), (391, 53004), (476, 43539), (483, 42908), (631, 32844), (644, 32181), (714, 29026), (782, 26502), (966, 21454), (1173, 17668), (1262, 16422), (1428, 14513), (1564, 13251), (1893, 10948), (1932, 10727), (2346, 8834), (2524, 8211), (2737, 7572), (3786, 5474), (4417, 4692)]