20100527972

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2137}}^1\times {\mathrm{5507}}^1$

素因数の和:7716

約数の個数: 48

約数和(自身を含む): 40886633088

約数和(自身を除く): 20786105116

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 2137, 4274, 5507, 8548, 11014, 14959, 22028, 29918, 38549, 59836, 77098, 130357, 154196, 260714, 335927, 521428, 671854, 912499, 1343708, 1824998, 2351489, 3649996, 4702978, 9405956, 11768459, 23536918, 47073836, 82379213, 164758426, 329516852, 717875999, 1435751998, 2871503996, 5025131993, 10050263986, 20100527972]

約数ペア:

[(1, 20100527972), (2, 10050263986), (4, 5025131993), (7, 2871503996), (14, 1435751998), (28, 717875999), (61, 329516852), (122, 164758426), (244, 82379213), (427, 47073836), (854, 23536918), (1708, 11768459), (2137, 9405956), (4274, 4702978), (5507, 3649996), (8548, 2351489), (11014, 1824998), (14959, 1343708), (22028, 912499), (29918, 671854), (38549, 521428), (59836, 335927), (77098, 260714), (130357, 154196)]