20576886

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 27634314

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 57, 61, 66, 114, 122, 183, 209, 269, 366, 418, 538, 627, 671, 807, 1159, 1254, 1342, 1614, 2013, 2318, 2959, 3477, 4026, 5111, 5918, 6954, 8877, 10222, 12749, 15333, 16409, 17754, 25498, 30666, 32818, 38247, 49227, 56221, 76494, 98454, 112442, 168663, 180499, 311771, 337326, 360998, 541497, 623542, 935313, 1082994, 1870626, 3429481, 6858962, 10288443, 20576886]

約数ペア:

[(1, 20576886), (2, 10288443), (3, 6858962), (6, 3429481), (11, 1870626), (19, 1082994), (22, 935313), (33, 623542), (38, 541497), (57, 360998), (61, 337326), (66, 311771), (114, 180499), (122, 168663), (183, 112442), (209, 98454), (269, 76494), (366, 56221), (418, 49227), (538, 38247), (627, 32818), (671, 30666), (807, 25498), (1159, 17754), (1254, 16409), (1342, 15333), (1614, 12749), (2013, 10222), (2318, 8877), (2959, 6954), (3477, 5918), (4026, 5111)]