20573910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 65516256

約数和(自身を除く): 44942346

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 30, 34, 35, 42, 45, 51, 63, 70, 85, 90, 102, 105, 113, 119, 126, 153, 170, 210, 226, 238, 255, 289, 306, 315, 339, 357, 510, 565, 578, 595, 630, 678, 714, 765, 791, 867, 1017, 1071, 1130, 1190, 1445, 1530, 1582, 1695, 1734, 1785, 1921, 2023, 2034, 2142, 2373, 2601, 2890, 3390, 3570, 3842, 3955, 4046, 4335, 4746, 5085, 5202, 5355, 5763, 6069, 7119, 7910, 8670, 9605, 10115, 10170, 10710, 11526, 11865, 12138, 13005, 13447, 14238, 17289, 18207, 19210, 20230, 23730, 26010, 26894, 28815, 30345, 32657, 34578, 35595, 36414, 40341, 57630, 60690, 65314, 67235, 71190, 80682, 86445, 91035, 97971, 121023, 134470, 163285, 172890, 182070, 195942, 201705, 228599, 242046, 293913, 326570, 403410, 457198, 489855, 587826, 605115, 685797, 979710, 1142995, 1210230, 1371594, 1469565, 2057391, 2285990, 2939130, 3428985, 4114782, 6857970, 10286955, 20573910]

約数ペア:

[(1, 20573910), (2, 10286955), (3, 6857970), (5, 4114782), (6, 3428985), (7, 2939130), (9, 2285990), (10, 2057391), (14, 1469565), (15, 1371594), (17, 1210230), (18, 1142995), (21, 979710), (30, 685797), (34, 605115), (35, 587826), (42, 489855), (45, 457198), (51, 403410), (63, 326570), (70, 293913), (85, 242046), (90, 228599), (102, 201705), (105, 195942), (113, 182070), (119, 172890), (126, 163285), (153, 134470), (170, 121023), (210, 97971), (226, 91035), (238, 86445), (255, 80682), (289, 71190), (306, 67235), (315, 65314), (339, 60690), (357, 57630), (510, 40341), (565, 36414), (578, 35595), (595, 34578), (630, 32657), (678, 30345), (714, 28815), (765, 26894), (791, 26010), (867, 23730), (1017, 20230), (1071, 19210), (1130, 18207), (1190, 17289), (1445, 14238), (1530, 13447), (1582, 13005), (1695, 12138), (1734, 11865), (1785, 11526), (1921, 10710), (2023, 10170), (2034, 10115), (2142, 9605), (2373, 8670), (2601, 7910), (2890, 7119), (3390, 6069), (3570, 5763), (3842, 5355), (3955, 5202), (4046, 5085), (4335, 4746)]