20917758

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{503}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22627842

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 239, 478, 503, 717, 1006, 1434, 1509, 3018, 6931, 13862, 14587, 20793, 29174, 41586, 43761, 87522, 120217, 240434, 360651, 721302, 3486293, 6972586, 10458879, 20917758]

約数ペア:

[(1, 20917758), (2, 10458879), (3, 6972586), (6, 3486293), (29, 721302), (58, 360651), (87, 240434), (174, 120217), (239, 87522), (478, 43761), (503, 41586), (717, 29174), (1006, 20793), (1434, 14587), (1509, 13862), (3018, 6931)]