20882530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 40538232

約数和(自身を除く): 19655702

約数列:

[1, 2, 5, 10, 31, 41, 53, 62, 82, 106, 155, 205, 265, 310, 410, 530, 961, 1271, 1643, 1922, 2173, 2542, 3286, 4346, 4805, 6355, 8215, 9610, 10865, 12710, 16430, 21730, 39401, 50933, 67363, 78802, 101866, 134726, 197005, 254665, 336815, 394010, 509330, 673630, 2088253, 4176506, 10441265, 20882530]

約数ペア:

[(1, 20882530), (2, 10441265), (5, 4176506), (10, 2088253), (31, 673630), (41, 509330), (53, 394010), (62, 336815), (82, 254665), (106, 197005), (155, 134726), (205, 101866), (265, 78802), (310, 67363), (410, 50933), (530, 39401), (961, 21730), (1271, 16430), (1643, 12710), (1922, 10865), (2173, 9610), (2542, 8215), (3286, 6355), (4346, 4805)]