20726910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 192

約数和(自身を含む): 64696320

約数和(自身を除く): 43969410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 23, 30, 31, 34, 38, 45, 46, 51, 57, 62, 69, 85, 90, 93, 95, 102, 114, 115, 138, 153, 155, 170, 171, 186, 190, 207, 230, 255, 279, 285, 306, 310, 323, 342, 345, 391, 414, 437, 465, 510, 527, 558, 570, 589, 646, 690, 713, 765, 782, 855, 874, 930, 969, 1035, 1054, 1173, 1178, 1311, 1395, 1426, 1530, 1581, 1615, 1710, 1767, 1938, 1955, 2070, 2139, 2185, 2346, 2622, 2635, 2790, 2907, 2945, 3162, 3230, 3519, 3534, 3565, 3910, 3933, 4278, 4370, 4743, 4845, 5270, 5301, 5814, 5865, 5890, 6417, 6555, 7038, 7130, 7429, 7866, 7905, 8835, 9486, 9690, 10013, 10602, 10695, 11730, 12121, 12834, 13110, 13547, 14535, 14858, 15810, 17595, 17670, 19665, 20026, 21390, 22287, 23715, 24242, 26505, 27094, 29070, 30039, 32085, 35190, 36363, 37145, 39330, 40641, 44574, 47430, 50065, 53010, 60078, 60605, 64170, 66861, 67735, 72726, 74290, 81282, 90117, 100130, 109089, 111435, 121210, 121923, 133722, 135470, 150195, 180234, 181815, 203205, 218178, 222870, 230299, 243846, 300390, 334305, 363630, 406410, 450585, 460598, 545445, 609615, 668610, 690897, 901170, 1090890, 1151495, 1219230, 1381794, 2072691, 2302990, 3454485, 4145382, 6908970, 10363455, 20726910]

約数ペア:

[(1, 20726910), (2, 10363455), (3, 6908970), (5, 4145382), (6, 3454485), (9, 2302990), (10, 2072691), (15, 1381794), (17, 1219230), (18, 1151495), (19, 1090890), (23, 901170), (30, 690897), (31, 668610), (34, 609615), (38, 545445), (45, 460598), (46, 450585), (51, 406410), (57, 363630), (62, 334305), (69, 300390), (85, 243846), (90, 230299), (93, 222870), (95, 218178), (102, 203205), (114, 181815), (115, 180234), (138, 150195), (153, 135470), (155, 133722), (170, 121923), (171, 121210), (186, 111435), (190, 109089), (207, 100130), (230, 90117), (255, 81282), (279, 74290), (285, 72726), (306, 67735), (310, 66861), (323, 64170), (342, 60605), (345, 60078), (391, 53010), (414, 50065), (437, 47430), (465, 44574), (510, 40641), (527, 39330), (558, 37145), (570, 36363), (589, 35190), (646, 32085), (690, 30039), (713, 29070), (765, 27094), (782, 26505), (855, 24242), (874, 23715), (930, 22287), (969, 21390), (1035, 20026), (1054, 19665), (1173, 17670), (1178, 17595), (1311, 15810), (1395, 14858), (1426, 14535), (1530, 13547), (1581, 13110), (1615, 12834), (1710, 12121), (1767, 11730), (1938, 10695), (1955, 10602), (2070, 10013), (2139, 9690), (2185, 9486), (2346, 8835), (2622, 7905), (2635, 7866), (2790, 7429), (2907, 7130), (2945, 7038), (3162, 6555), (3230, 6417), (3519, 5890), (3534, 5865), (3565, 5814), (3910, 5301), (3933, 5270), (4278, 4845), (4370, 4743)]