20168907472

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{117163}}^1$

素因数の和:117260

約数の個数: 80

約数和(自身を含む): 47071808640

約数和(自身を除く): 26902901168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 53, 56, 58, 106, 112, 116, 203, 212, 232, 371, 406, 424, 464, 742, 812, 848, 1484, 1537, 1624, 2968, 3074, 3248, 5936, 6148, 10759, 12296, 21518, 24592, 43036, 86072, 117163, 172144, 234326, 468652, 820141, 937304, 1640282, 1874608, 3280564, 3397727, 6209639, 6561128, 6795454, 12419278, 13122256, 13590908, 23784089, 24838556, 27181816, 43467473, 47568178, 49677112, 54363632, 86934946, 95136356, 99354224, 173869892, 180079531, 190272712, 347739784, 360159062, 380545424, 695479568, 720318124, 1260556717, 1440636248, 2521113434, 2881272496, 5042226868, 10084453736, 20168907472]

約数ペア:

[(1, 20168907472), (2, 10084453736), (4, 5042226868), (7, 2881272496), (8, 2521113434), (14, 1440636248), (16, 1260556717), (28, 720318124), (29, 695479568), (53, 380545424), (56, 360159062), (58, 347739784), (106, 190272712), (112, 180079531), (116, 173869892), (203, 99354224), (212, 95136356), (232, 86934946), (371, 54363632), (406, 49677112), (424, 47568178), (464, 43467473), (742, 27181816), (812, 24838556), (848, 23784089), (1484, 13590908), (1537, 13122256), (1624, 12419278), (2968, 6795454), (3074, 6561128), (3248, 6209639), (5936, 3397727), (6148, 3280564), (10759, 1874608), (12296, 1640282), (21518, 937304), (24592, 820141), (43036, 468652), (86072, 234326), (117163, 172144)]