20302386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 47246976

約数和(自身を除く): 26944590

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 61, 78, 102, 122, 183, 221, 251, 366, 442, 502, 663, 753, 793, 1037, 1326, 1506, 1586, 2074, 2379, 3111, 3263, 4267, 4758, 6222, 6526, 8534, 9789, 12801, 13481, 15311, 19578, 25602, 26962, 30622, 40443, 45933, 55471, 80886, 91866, 110942, 166413, 199043, 260287, 332826, 398086, 520574, 597129, 780861, 1194258, 1561722, 3383731, 6767462, 10151193, 20302386]

約数ペア:

[(1, 20302386), (2, 10151193), (3, 6767462), (6, 3383731), (13, 1561722), (17, 1194258), (26, 780861), (34, 597129), (39, 520574), (51, 398086), (61, 332826), (78, 260287), (102, 199043), (122, 166413), (183, 110942), (221, 91866), (251, 80886), (366, 55471), (442, 45933), (502, 40443), (663, 30622), (753, 26962), (793, 25602), (1037, 19578), (1326, 15311), (1506, 13481), (1586, 12801), (2074, 9789), (2379, 8534), (3111, 6526), (3263, 6222), (4267, 4758)]