20375010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 60341760

約数和(自身を除く): 39966750

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 27, 30, 34, 45, 46, 51, 54, 69, 85, 90, 102, 115, 135, 138, 153, 170, 193, 207, 230, 255, 270, 306, 345, 386, 391, 414, 459, 510, 579, 621, 690, 765, 782, 918, 965, 1035, 1158, 1173, 1242, 1530, 1737, 1930, 1955, 2070, 2295, 2346, 2895, 3105, 3281, 3474, 3519, 3910, 4439, 4590, 5211, 5790, 5865, 6210, 6562, 7038, 8685, 8878, 9843, 10422, 10557, 11730, 13317, 16405, 17370, 17595, 19686, 21114, 22195, 26055, 26634, 29529, 32810, 35190, 39951, 44390, 49215, 52110, 52785, 59058, 66585, 75463, 79902, 88587, 98430, 105570, 119853, 133170, 147645, 150926, 177174, 199755, 226389, 239706, 295290, 377315, 399510, 442935, 452778, 599265, 679167, 754630, 885870, 1131945, 1198530, 1358334, 2037501, 2263890, 3395835, 4075002, 6791670, 10187505, 20375010]

約数ペア:

[(1, 20375010), (2, 10187505), (3, 6791670), (5, 4075002), (6, 3395835), (9, 2263890), (10, 2037501), (15, 1358334), (17, 1198530), (18, 1131945), (23, 885870), (27, 754630), (30, 679167), (34, 599265), (45, 452778), (46, 442935), (51, 399510), (54, 377315), (69, 295290), (85, 239706), (90, 226389), (102, 199755), (115, 177174), (135, 150926), (138, 147645), (153, 133170), (170, 119853), (193, 105570), (207, 98430), (230, 88587), (255, 79902), (270, 75463), (306, 66585), (345, 59058), (386, 52785), (391, 52110), (414, 49215), (459, 44390), (510, 39951), (579, 35190), (621, 32810), (690, 29529), (765, 26634), (782, 26055), (918, 22195), (965, 21114), (1035, 19686), (1158, 17595), (1173, 17370), (1242, 16405), (1530, 13317), (1737, 11730), (1930, 10557), (1955, 10422), (2070, 9843), (2295, 8878), (2346, 8685), (2895, 7038), (3105, 6562), (3281, 6210), (3474, 5865), (3519, 5790), (3910, 5211), (4439, 4590)]