20439936244

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{35339}}^1$

素因数の和:35597

約数の個数: 72

約数和(自身を含む): 45009306720

約数和(自身を除く): 24569370476

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 227, 364, 454, 637, 908, 1274, 1589, 2548, 2951, 3178, 5902, 6356, 11123, 11804, 20657, 22246, 35339, 41314, 44492, 70678, 82628, 141356, 144599, 247373, 289198, 459407, 494746, 578396, 918814, 989492, 1731611, 1837628, 3215849, 3463222, 6431698, 6926444, 8021953, 12863396, 16043906, 22510943, 32087812, 45021886, 56153671, 90043772, 104285389, 112307342, 208570778, 224614684, 393075697, 417141556, 729997723, 786151394, 1459995446, 1572302788, 2919990892, 5109984061, 10219968122, 20439936244]

約数ペア:

[(1, 20439936244), (2, 10219968122), (4, 5109984061), (7, 2919990892), (13, 1572302788), (14, 1459995446), (26, 786151394), (28, 729997723), (49, 417141556), (52, 393075697), (91, 224614684), (98, 208570778), (182, 112307342), (196, 104285389), (227, 90043772), (364, 56153671), (454, 45021886), (637, 32087812), (908, 22510943), (1274, 16043906), (1589, 12863396), (2548, 8021953), (2951, 6926444), (3178, 6431698), (5902, 3463222), (6356, 3215849), (11123, 1837628), (11804, 1731611), (20657, 989492), (22246, 918814), (35339, 578396), (41314, 494746), (44492, 459407), (70678, 289198), (82628, 247373), (141356, 144599)]