20622836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 42230160

約数和(自身を除く): 21607324

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 221, 442, 533, 569, 697, 884, 1066, 1138, 1394, 2132, 2276, 2788, 7397, 9061, 9673, 14794, 18122, 19346, 23329, 29588, 36244, 38692, 46658, 93316, 125749, 251498, 303277, 396593, 502996, 606554, 793186, 1213108, 1586372, 5155709, 10311418, 20622836]

約数ペア:

[(1, 20622836), (2, 10311418), (4, 5155709), (13, 1586372), (17, 1213108), (26, 793186), (34, 606554), (41, 502996), (52, 396593), (68, 303277), (82, 251498), (164, 125749), (221, 93316), (442, 46658), (533, 38692), (569, 36244), (697, 29588), (884, 23329), (1066, 19346), (1138, 18122), (1394, 14794), (2132, 9673), (2276, 9061), (2788, 7397)]