20825340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1201}}^1$

素因数の和:1247

約数の個数: 72

約数和(自身を含む): 61994352

約数和(自身を除く): 41169012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 289, 340, 510, 578, 867, 1020, 1156, 1201, 1445, 1734, 2402, 2890, 3468, 3603, 4335, 4804, 5780, 6005, 7206, 8670, 12010, 14412, 17340, 18015, 20417, 24020, 36030, 40834, 61251, 72060, 81668, 102085, 122502, 204170, 245004, 306255, 347089, 408340, 612510, 694178, 1041267, 1225020, 1388356, 1735445, 2082534, 3470890, 4165068, 5206335, 6941780, 10412670, 20825340]

約数ペア:

[(1, 20825340), (2, 10412670), (3, 6941780), (4, 5206335), (5, 4165068), (6, 3470890), (10, 2082534), (12, 1735445), (15, 1388356), (17, 1225020), (20, 1041267), (30, 694178), (34, 612510), (51, 408340), (60, 347089), (68, 306255), (85, 245004), (102, 204170), (170, 122502), (204, 102085), (255, 81668), (289, 72060), (340, 61251), (510, 40834), (578, 36030), (867, 24020), (1020, 20417), (1156, 18015), (1201, 17340), (1445, 14412), (1734, 12010), (2402, 8670), (2890, 7206), (3468, 6005), (3603, 5780), (4335, 4804)]