20030388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{613}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 53639040

約数和(自身を除く): 33608652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 389, 613, 778, 1167, 1226, 1556, 1839, 2334, 2452, 2723, 3678, 4291, 4668, 5446, 7356, 8169, 8582, 10892, 12873, 16338, 17164, 25746, 32676, 51492, 238457, 476914, 715371, 953828, 1430742, 1669199, 2861484, 3338398, 5007597, 6676796, 10015194, 20030388]

約数ペア:

[(1, 20030388), (2, 10015194), (3, 6676796), (4, 5007597), (6, 3338398), (7, 2861484), (12, 1669199), (14, 1430742), (21, 953828), (28, 715371), (42, 476914), (84, 238457), (389, 51492), (613, 32676), (778, 25746), (1167, 17164), (1226, 16338), (1556, 12873), (1839, 10892), (2334, 8582), (2452, 8169), (2723, 7356), (3678, 5446), (4291, 4668)]