2020978258

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{647}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 3574222848

約数和(自身を除く): 1553244590

約数列:

[1, 2, 13, 17, 26, 34, 37, 74, 191, 221, 382, 442, 481, 629, 647, 962, 1258, 1294, 2483, 3247, 4966, 6494, 7067, 8177, 8411, 10999, 14134, 16354, 16822, 21998, 23939, 42211, 47878, 84422, 91871, 120139, 123577, 142987, 183742, 240278, 247154, 285974, 311207, 406963, 622414, 813926, 1561807, 1606501, 2100809, 3123614, 3213002, 4201618, 4572349, 5290519, 9144698, 10581038, 27310517, 54621034, 59440537, 77729933, 118881074, 155459866, 1010489129, 2020978258]

約数ペア:

[(1, 2020978258), (2, 1010489129), (13, 155459866), (17, 118881074), (26, 77729933), (34, 59440537), (37, 54621034), (74, 27310517), (191, 10581038), (221, 9144698), (382, 5290519), (442, 4572349), (481, 4201618), (629, 3213002), (647, 3123614), (962, 2100809), (1258, 1606501), (1294, 1561807), (2483, 813926), (3247, 622414), (4966, 406963), (6494, 311207), (7067, 285974), (8177, 247154), (8411, 240278), (10999, 183742), (14134, 142987), (16354, 123577), (16822, 120139), (21998, 91871), (23939, 84422), (42211, 47878)]