20189996148

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1\times {\mathrm{4919}}^1$

素因数の和:5437

約数の個数: 96

約数和(自身を含む): 54407485440

約数和(自身を除く): 34217489292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 373, 393, 524, 746, 786, 917, 1119, 1492, 1572, 1834, 2238, 2611, 2751, 3668, 4476, 4919, 5222, 5502, 7833, 9838, 10444, 11004, 14757, 15666, 19676, 29514, 31332, 34433, 48863, 59028, 68866, 97726, 103299, 137732, 146589, 195452, 206598, 293178, 342041, 413196, 586356, 644389, 684082, 1026123, 1288778, 1368164, 1834787, 1933167, 2052246, 2577556, 3669574, 3866334, 4104492, 4510723, 5504361, 7339148, 7732668, 9021446, 11008722, 12843509, 13532169, 18042892, 22017444, 25687018, 27064338, 38530527, 51374036, 54128676, 77061054, 154122108, 240357097, 480714194, 721071291, 961428388, 1442142582, 1682499679, 2884285164, 3364999358, 5047499037, 6729998716, 10094998074, 20189996148]

約数ペア:

[(1, 20189996148), (2, 10094998074), (3, 6729998716), (4, 5047499037), (6, 3364999358), (7, 2884285164), (12, 1682499679), (14, 1442142582), (21, 961428388), (28, 721071291), (42, 480714194), (84, 240357097), (131, 154122108), (262, 77061054), (373, 54128676), (393, 51374036), (524, 38530527), (746, 27064338), (786, 25687018), (917, 22017444), (1119, 18042892), (1492, 13532169), (1572, 12843509), (1834, 11008722), (2238, 9021446), (2611, 7732668), (2751, 7339148), (3668, 5504361), (4476, 4510723), (4919, 4104492), (5222, 3866334), (5502, 3669574), (7833, 2577556), (9838, 2052246), (10444, 1933167), (11004, 1834787), (14757, 1368164), (15666, 1288778), (19676, 1026123), (29514, 684082), (31332, 644389), (34433, 586356), (48863, 413196), (59028, 342041), (68866, 293178), (97726, 206598), (103299, 195452), (137732, 146589)]