20795760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1$

素因数の和:1735

約数の個数: 120

約数和(自身を含む): 73990800

約数和(自身を除く): 53195040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 45, 48, 51, 60, 68, 72, 80, 85, 90, 102, 120, 136, 144, 153, 170, 180, 204, 240, 255, 272, 306, 340, 360, 408, 510, 612, 680, 720, 765, 816, 1020, 1224, 1360, 1530, 1699, 2040, 2448, 3060, 3398, 4080, 5097, 6120, 6796, 8495, 10194, 12240, 13592, 15291, 16990, 20388, 25485, 27184, 28883, 30582, 33980, 40776, 50970, 57766, 61164, 67960, 76455, 81552, 86649, 101940, 115532, 122328, 135920, 144415, 152910, 173298, 203880, 231064, 244656, 259947, 288830, 305820, 346596, 407760, 433245, 462128, 519894, 577660, 611640, 693192, 866490, 1039788, 1155320, 1223280, 1299735, 1386384, 1732980, 2079576, 2310640, 2599470, 3465960, 4159152, 5198940, 6931920, 10397880, 20795760]

約数ペア:

[(1, 20795760), (2, 10397880), (3, 6931920), (4, 5198940), (5, 4159152), (6, 3465960), (8, 2599470), (9, 2310640), (10, 2079576), (12, 1732980), (15, 1386384), (16, 1299735), (17, 1223280), (18, 1155320), (20, 1039788), (24, 866490), (30, 693192), (34, 611640), (36, 577660), (40, 519894), (45, 462128), (48, 433245), (51, 407760), (60, 346596), (68, 305820), (72, 288830), (80, 259947), (85, 244656), (90, 231064), (102, 203880), (120, 173298), (136, 152910), (144, 144415), (153, 135920), (170, 122328), (180, 115532), (204, 101940), (240, 86649), (255, 81552), (272, 76455), (306, 67960), (340, 61164), (360, 57766), (408, 50970), (510, 40776), (612, 33980), (680, 30582), (720, 28883), (765, 27184), (816, 25485), (1020, 20388), (1224, 16990), (1360, 15291), (1530, 13592), (1699, 12240), (2040, 10194), (2448, 8495), (3060, 6796), (3398, 6120), (4080, 5097)]