20977830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13711}}^1$

素因数の和:13741

約数の個数: 48

約数和(自身を含む): 57754944

約数和(自身を除く): 36777114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13711, 27422, 41133, 68555, 82266, 123399, 137110, 205665, 233087, 246798, 411330, 466174, 616995, 699261, 1165435, 1233990, 1398522, 2097783, 2330870, 3496305, 4195566, 6992610, 10488915, 20977830]

約数ペア:

[(1, 20977830), (2, 10488915), (3, 6992610), (5, 4195566), (6, 3496305), (9, 2330870), (10, 2097783), (15, 1398522), (17, 1233990), (18, 1165435), (30, 699261), (34, 616995), (45, 466174), (51, 411330), (85, 246798), (90, 233087), (102, 205665), (153, 137110), (170, 123399), (255, 82266), (306, 68555), (510, 41133), (765, 27422), (1530, 13711)]