20438190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1283}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 55468800

約数和(自身を除く): 35030610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 59, 90, 118, 135, 177, 270, 295, 354, 531, 590, 885, 1062, 1283, 1593, 1770, 2566, 2655, 3186, 3849, 5310, 6415, 7698, 7965, 11547, 12830, 15930, 19245, 23094, 34641, 38490, 57735, 69282, 75697, 115470, 151394, 173205, 227091, 346410, 378485, 454182, 681273, 756970, 1135455, 1362546, 2043819, 2270910, 3406365, 4087638, 6812730, 10219095, 20438190]

約数ペア:

[(1, 20438190), (2, 10219095), (3, 6812730), (5, 4087638), (6, 3406365), (9, 2270910), (10, 2043819), (15, 1362546), (18, 1135455), (27, 756970), (30, 681273), (45, 454182), (54, 378485), (59, 346410), (90, 227091), (118, 173205), (135, 151394), (177, 115470), (270, 75697), (295, 69282), (354, 57735), (531, 38490), (590, 34641), (885, 23094), (1062, 19245), (1283, 15930), (1593, 12830), (1770, 11547), (2566, 7965), (2655, 7698), (3186, 6415), (3849, 5310)]