20936736

素因数分解:

$2^5\times 3^2\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:678

約数の個数: 72

約数和(自身を含む): 60081840

約数和(自身を除く): 39145104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 139, 144, 278, 288, 417, 523, 556, 834, 1046, 1112, 1251, 1569, 1668, 2092, 2224, 2502, 3138, 3336, 4184, 4448, 4707, 5004, 6276, 6672, 8368, 9414, 10008, 12552, 13344, 16736, 18828, 20016, 25104, 37656, 40032, 50208, 72697, 75312, 145394, 150624, 218091, 290788, 436182, 581576, 654273, 872364, 1163152, 1308546, 1744728, 2326304, 2617092, 3489456, 5234184, 6978912, 10468368, 20936736]

約数ペア:

[(1, 20936736), (2, 10468368), (3, 6978912), (4, 5234184), (6, 3489456), (8, 2617092), (9, 2326304), (12, 1744728), (16, 1308546), (18, 1163152), (24, 872364), (32, 654273), (36, 581576), (48, 436182), (72, 290788), (96, 218091), (139, 150624), (144, 145394), (278, 75312), (288, 72697), (417, 50208), (523, 40032), (556, 37656), (834, 25104), (1046, 20016), (1112, 18828), (1251, 16736), (1569, 13344), (1668, 12552), (2092, 10008), (2224, 9414), (2502, 8368), (3138, 6672), (3336, 6276), (4184, 5004), (4448, 4707)]