20868432

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:708

約数の個数: 80

約数和(自身を含む): 59246208

約数和(自身を除く): 38377776

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 156, 159, 208, 212, 312, 318, 424, 624, 631, 636, 689, 848, 1262, 1272, 1378, 1893, 2067, 2524, 2544, 2756, 3786, 4134, 5048, 5512, 7572, 8203, 8268, 10096, 11024, 15144, 16406, 16536, 24609, 30288, 32812, 33072, 33443, 49218, 65624, 66886, 98436, 100329, 131248, 133772, 196872, 200658, 267544, 393744, 401316, 434759, 535088, 802632, 869518, 1304277, 1605264, 1739036, 2608554, 3478072, 5217108, 6956144, 10434216, 20868432]

約数ペア:

[(1, 20868432), (2, 10434216), (3, 6956144), (4, 5217108), (6, 3478072), (8, 2608554), (12, 1739036), (13, 1605264), (16, 1304277), (24, 869518), (26, 802632), (39, 535088), (48, 434759), (52, 401316), (53, 393744), (78, 267544), (104, 200658), (106, 196872), (156, 133772), (159, 131248), (208, 100329), (212, 98436), (312, 66886), (318, 65624), (424, 49218), (624, 33443), (631, 33072), (636, 32812), (689, 30288), (848, 24609), (1262, 16536), (1272, 16406), (1378, 15144), (1893, 11024), (2067, 10096), (2524, 8268), (2544, 8203), (2756, 7572), (3786, 5512), (4134, 5048)]