20800860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20393}}^1$

素因数の和:20422

約数の個数: 48

約数和(自身を含む): 61671456

約数和(自身を除く): 40870596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 20393, 40786, 61179, 81572, 101965, 122358, 203930, 244716, 305895, 346681, 407860, 611790, 693362, 1040043, 1223580, 1386724, 1733405, 2080086, 3466810, 4160172, 5200215, 6933620, 10400430, 20800860]

約数ペア:

[(1, 20800860), (2, 10400430), (3, 6933620), (4, 5200215), (5, 4160172), (6, 3466810), (10, 2080086), (12, 1733405), (15, 1386724), (17, 1223580), (20, 1040043), (30, 693362), (34, 611790), (51, 407860), (60, 346681), (68, 305895), (85, 244716), (102, 203930), (170, 122358), (204, 101965), (255, 81572), (340, 61179), (510, 40786), (1020, 20393)]