20042490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3023}}^1$

素因数の和:3063

約数の個数: 64

約数和(自身を含む): 54867456

約数和(自身を除く): 34824966

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3023, 3315, 6046, 6630, 9069, 15115, 18138, 30230, 39299, 45345, 51391, 78598, 90690, 102782, 117897, 154173, 196495, 235794, 256955, 308346, 392990, 513910, 589485, 668083, 770865, 1178970, 1336166, 1541730, 2004249, 3340415, 4008498, 6680830, 10021245, 20042490]

約数ペア:

[(1, 20042490), (2, 10021245), (3, 6680830), (5, 4008498), (6, 3340415), (10, 2004249), (13, 1541730), (15, 1336166), (17, 1178970), (26, 770865), (30, 668083), (34, 589485), (39, 513910), (51, 392990), (65, 308346), (78, 256955), (85, 235794), (102, 196495), (130, 154173), (170, 117897), (195, 102782), (221, 90690), (255, 78598), (390, 51391), (442, 45345), (510, 39299), (663, 30230), (1105, 18138), (1326, 15115), (2210, 9069), (3023, 6630), (3315, 6046)]