20995260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2483

約数の個数: 96

約数和(自身を含む): 69092352

約数和(自身を除く): 48097092

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 60, 65, 66, 78, 110, 130, 132, 143, 156, 165, 195, 220, 260, 286, 330, 390, 429, 572, 660, 715, 780, 858, 1430, 1716, 2145, 2447, 2860, 4290, 4894, 7341, 8580, 9788, 12235, 14682, 24470, 26917, 29364, 31811, 36705, 48940, 53834, 63622, 73410, 80751, 95433, 107668, 127244, 134585, 146820, 159055, 161502, 190866, 269170, 318110, 323004, 349921, 381732, 403755, 477165, 538340, 636220, 699842, 807510, 954330, 1049763, 1399684, 1615020, 1749605, 1908660, 2099526, 3499210, 4199052, 5248815, 6998420, 10497630, 20995260]

約数ペア:

[(1, 20995260), (2, 10497630), (3, 6998420), (4, 5248815), (5, 4199052), (6, 3499210), (10, 2099526), (11, 1908660), (12, 1749605), (13, 1615020), (15, 1399684), (20, 1049763), (22, 954330), (26, 807510), (30, 699842), (33, 636220), (39, 538340), (44, 477165), (52, 403755), (55, 381732), (60, 349921), (65, 323004), (66, 318110), (78, 269170), (110, 190866), (130, 161502), (132, 159055), (143, 146820), (156, 134585), (165, 127244), (195, 107668), (220, 95433), (260, 80751), (286, 73410), (330, 63622), (390, 53834), (429, 48940), (572, 36705), (660, 31811), (715, 29364), (780, 26917), (858, 24470), (1430, 14682), (1716, 12235), (2145, 9788), (2447, 8580), (2860, 7341), (4290, 4894)]